W DOC AIRBUS | AMM A320F

Operational Check to Ensure Safety Valve Closes at 260 Knots

TASK 32-31-00-710-005-A-01
Operational Check to Ensure Safety Valve Closes at 260 Knots

WARNING: PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:
  • THE FLIGHT CONTROLS
  • THE FLIGHT CONTROL SURFACES
  • THE LANDING GEAR AND THE RELATED DOORS
  • COMPONENTS THAT MOVE.
MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.
WARNING: MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.
WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE TRIMMABLE HORIZONTAL STABILIZER (THS) ARE CLEAR BEFORE YOU DO THIS PROCEDURE. IF YOU DO NOT OBEY THIS INSTRUCTION, THE MOVEMENT OF THE THS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
ZONE: 190
ZONE: 210
ZONE: 734
ZONE: 744
1. Reason for the Job
Refer to the MPD TASK: 323100-04
OPERATIONAL CHECK TO ENSURE SAFETY VALVE CLOSES AT 260 KNOTS
Operational Check to Ensure Safety Valve Closes at 260 knots that uses the aircraft batteries and electrical ground power, (the Air Data/Inertial Reference System (ADIRS) is used to operate the valve OPEN/CLOSE).
NOTE: This task is an alternative procedure to the:
  • Operational check to ensure safety valve closes at 260 knots that uses the APU to energize the aircraft electrical circuits, (the Air Data/Inertial Reference System (ADIRS) is used to operate the valve OPEN/CLOSE)
    (Ref. TASK 32-31-00-710-005-A)
    or
  • Operational check to ensure safety valve closes at 260 knots that uses the GND PWR Contactor (3XG) Override Box, (the Air Data/Inertial Reference System (ADIRS) is used to operate the valve OPEN/CLOSE) (Ref. TASK 32-31-00-710-005-A-02).
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
GENERATOR - GROUND PRESSURE MINI. 100 MB
No specific
1
GROUND POWER CART-HYDRAULIC
No specific
AR
SAFETY BARRIER(S)
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
No specific
AR
TAPE - ADHESIVE
No specific
AR
TIE WRAP(S)
No specific
AR
WARNING NOTICE(S)
36122
1
ADAPTOR-CHARGING,PITOT PROBE
98D27803500001
1
LOCKING TOOL ZERO POS
98D27803500002
1
LOCKING TOOL ZERO POS
98D29208246000
1
SAFETY DEVICE-RAT
98D29208246001
1
DEVICE-SAFETY,RAT
98D34003500000
1
ADAPTER COVER-STATIC PORT
98F32304000000
2
TARGET-FALSE
98F34103001000
1
ADAPTER-PITOT PROBE
P75701-4C
1
ADAPTER-PITOT PROBE
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
190
BELLY FAIR, AIR CONDITIONING & HYD COMPT
210
CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD
734
MAIN DOOR
744
MAIN DOOR
195BB, 196BB
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 23-73-00-740-005-A
BITE-Test of the Cabin Intercommunication Data System (CIDS) through the CFDS
TASK 23-73-00-740-005-B
Interface and Power-Up Test of the Cabin Intercommunication Data System (CIDS) through the CFDS
TASK 24-41-00-861-002-A
Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01
Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02
Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 24-41-00-862-002-A
De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01
De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02
De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 26-10-00-740-801-A
BITE Test of the Smoke Detection Function - System Test
TASK 27-50-00-866-009-A
Retraction of the Flaps on the Ground
TASK 27-50-00-866-009-A-01
Retraction of the Flaps/Slats on the Ground
TASK 27-80-00-866-005-A
Retracting the Slats on the Ground
TASK 29-10-00-863-001-A
Pressurize the Green Hydraulic System with a Hydraulic Ground Power-Cart
TASK 29-10-00-864-001-A
Depressurize the Green Hydraulic System
TASK 29-22-00-860-007-A
Installation of the Safety Device of the Ram Air Turbine
TASK 29-22-00-860-008-A
Removal of the Safety Device of the Ram Air Turbine
TASK 29-23-00-860-001-A
Disconnection of the Isolation Coupling of the Power Transfer Unit (PTU)
TASK 29-23-00-860-002-A
Connection of the Isolation Coupling of the Power Transfer Unit (PTU)
TASK 32-00-00-081-002-A
Removal of the Safety Devices from the Landing Gear Doors
TASK 32-00-00-481-001-A
Installation of the Safety Devices on the Landing Gears
TASK 32-00-00-481-002-A
Installation of the Safety Devices on the Landing Gear Doors
TASK 32-00-00-860-001-A
Flight Configuration Precautions with Electrical Power
TASK 32-00-00-860-002-A
Ground Configuration after Flight Configuration with Electrical Power
TASK 32-00-00-860-002-A-01
Ground Configuration after Flight Configuration without Electrical Power
TASK 32-12-00-010-001-A
Open the Main Gear Doors for Access
TASK 32-12-00-410-001-A
Close the Main Gear Doors after Access
TASK 32-31-71-000-001-A
Removal of the LGCIU
TASK 32-31-71-400-001-A
Installation of the LGCIU
TASK 53-35-13-000-002-A
Removal of the Quick-Release Access Panels from the Belly Fairing Structure
TASK 53-35-13-400-002-A
Installation of the Quick-Release Access Panels on the Belly Fairing Structure
F Probes and Sensors - Location and Detail
3. Job Set-up
Subtask 32-31-00-941-086-B
A. Safety Precautions
   (1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
   (2) Make sure that the ground safety locks are installed on the landing gear (Ref. AMM TASK 32-00-00-481-001).
   (3) Install the 98D29208246001 DEVICE-SAFETY,RAT or the 98D29208246000 SAFETY DEVICE-RAT (Ref. AMM TASK 29-22-00-860-007).
   (4) Make sure that the flaps are fully retracted (Ref. AMM TASK 27-50-00-866-009).
   (5) Make sure that the slats are fully retracted (Ref. AMM TASK 27-80-00-866-005).
   (6) Install the 98D27803500001 LOCKING TOOL ZERO POS or the 98D27803500002 LOCKING TOOL ZERO POS on the flap/slat control lever.
   (7) On panel 400VU:
     (a) Make sure that the landing gear control-lever 6GA is in the DOWN position
     (b) Put the WARNING NOTICE(S) in position to tell persons not to operate the landing gear.
   (8) Put the WARNING NOTICE(S) on the flap/slat control lever to tell persons not to operate the flap/slat system.
Subtask 32-31-00-010-077-A
B. Get Access
   (1) Make sure that the applicable quick-release access panels 195BB and 196BB are open (Ref. AMM TASK 53-35-13-000-002).
   (2) Open the MLG doors (Ref. AMM TASK 32-12-00-010-001).
Subtask 32-31-00-865-101-A
WARNING: OPEN CIRCUIT BREAKER 7XE. THIS WILL PREVENT A POSSIBLE DEPLOYMENT OF THE RAT IF THE MAIN AC BUSBARS 1XP AND 2XP BECOME ISOLATED.
WARNING: OPEN CIRCUIT BREAKERS 1JH, 2JH1, 2JH2, 3JH1 AND 3JH2 (ENGINE 1 AND 2 IGNITION SYSTEMS). THEN OPEN CIRCUIT BREAKERS 2KS1 AND 2KS2 (FADEC A AND EIU 1 AND 2) AND 4KS1 (FADEC B AND EIU 1). IF YOU DO NOT OBEY THIS SEQUENCE, THE ENGINE AUTOMATIC IGNITION- SYSTEM WILL OPERATE. THIS CAN CAUSE INJURY TO MAINTENANCE PERSONNEL.
C. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUEIS/RLY/BOX/CAPT17WT1E08
49VUNAV/STBY/HORIZON5FNF12
** ON A/C NOT FOR ALL
49VUL/G/Y BRK/PRESS/IND61GGC10
49VUCOM/CIDS/DEU A ESS/LINE 2155RHG05
49VUCOM/CIDS/DEU A ESS/LINE 1154RHG04
** ON A/C NOT FOR ALL
49VUNAV PROBES/ADIRU3/PWR/SWTG8FPF09
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/ELAC1/NORM/SPLY15CE1B11
49VUFLIGHT CONTROLS/THS/ACTR/MOT219CE2B09
49VUFLIGHT CONTROLS/SEC1/NORM/SPLY21CE1B08
49VUFLIGHT CONTROLS/FLP/CTL AND MONG/SYS16CVB07
49VUFLIGHT CONTROLS/SLT/CTL AND MONG/SYS15CVB06
49VUAUTO FLT/FCU/19CA1B05
49VUEIS/ECAM/CTL/PNL15WTE12
49VUEIS/DMC1/SWTG21WT1E09
49VUCOM/CIDS/DEU B/ESS153RHG03
49VUCOM/CIDS/DIR ESS/1150RHG01
49VULIGHTING/EMER LT/CABIN79WLH07
49VULIGHTING/STBY/COMP/LIGHT1LFH04
** ON A/C NOT FOR ALL
49VUCOM/AUDIO/ACP/F/O5RNG07
** ON A/C NOT FOR ALL
49VUCOM/AUDIO/FLT/INTPH9RNG08
49VUCOM/AUDIO/ACP/CAPT4RNG06
** ON A/C ALL
49VUFUEL/SMOKE/CONFIG/PUMP CTL55QAA14
49VUFUEL/LP VALVE/MOT1/ENG22QGA09
49VUFUEL/LP VALVE/MOT1/ENG11QGA08
49VUENGINE/2/FIRE DET/LOOP B8WD2A07
49VUENGINE/1/FIRE DET/LOOP A7WD1A06
49VUENGINE/2/FADEC A/AND EIU 22KS2A05
49VUENGINE/1/FADEC A/AND EIU 12KS1A04
49VUENGINE/1 AND 2/IGN/SYS A1JHA03
49VUENGINE/2/HP FUEL SOV1KC2A02
49VUENGINE/1/HP FUEL SOV1KC1A01
49VUHYD/FIRE VALVE/Y/ENG23702GDC14
49VUHYD/FIRE VALVE/G/ENG11703GKC13
49VUHYD/HYD PWR/B WARN/& CTL2702GJC12
49VUAIR COND/RAM/AIR/INLET1HZD10
49VUAIR COND/CAB/PRESS/CTL11HLD09
49VUAIR COND/AVNCS VENT/CTL5HQD05
49VUEIS/DMC3/SWTG21WT3E07
49VUEIS/ECAM DU/UPPER/SWTG24WT1E06
49VUEIS/PFD CAPT/SWTG22WT1E04
49VUCLOCK/NORM/SPLY6FSF11
49VUCAPT/LOUD/SPKR5WWF10
49VUSDAC/1 AND 2/28VDC/ESS BUS12WVF05
49VUCOM/RMP/12RG1G10
49VUCOM/VHF/12RC1G09
** ON A/C NOT FOR ALL
49VUCOM/ACP F/O/BITE/ INT 2 AUDIO/3&5 OCCPNT5RNG07
** ON A/C NOT FOR ALL
49VUCOM/INT/1+29RNG08
49VUCOM/ACP CAPT/SELCAL/INT 1 AUDIO/AVNCS4RNG06
** ON A/C NOT FOR ALL
49VUABCU &/Y BRK/PRESS IND61GGC10
** ON A/C NOT FOR ALL
49VUANTI ICE/RAIN/RPLNT/CAPT1DB1D01
** ON A/C NOT FOR ALL
49VUNAV/STBY/INST5FNF12
** ON A/C NOT FOR ALL
49VUNAV PROBES/ADIRU3/PWR/SWTG8FPF08
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/ELAC1/NORM/SPLY15CE1B06
49VUFLIGHT CONTROLS/THS/ACTR/MOT219CE2B04
49VUFLIGHT CONTROLS/SEC1/NORM/SPLY21CE1B03
49VUFLIGHT CONTROLS/FLP/CTL AND MONG/SYS16CVB02
49VUFLIGHT CONTROLS/SLT/CTL AND MONG/SYS15CVB01
49VUEIS/ECAM/CTL/PNL15WTE11
49VUEIS/DMC1/SWTG21WT1E08
49VUCOM NAV/CIDS/DIR1 ESS150RHG01
49VUAUTO FLT/FCU/19CA1H11
49VULIGHTING/EMER LT/CABIN79WLH05
49VULIGHTING/STBY/COMP/LIGHT1LFH02
** ON A/C ALL
105VUELEC/CSM/G /EV AUTO/SPLY7XEC01
** ON A/C NOT FOR ALL
121VUENGINE/IGN/ENG2/SYS A BAT2JH2P40
121VUENGINE/IGN/ENG1/SYS A BAT2JH1P39
** ON A/C NOT FOR ALL
121VUENGINE/ENG1/FADEC B/AND EIU 14KS1R41
** ON A/C ALL
121VUENGINE/IGN/ENG2/SYS B3JH2P42
121VUENGINE/IGN/ENG1/SYS B3JH1P41
** ON A/C NOT FOR ALL
121VUENGINE/ENG1/FADEC B/AND EIU 14KS1R40
Subtask 32-31-00-865-145-A
D. Table of the circuit breakers used in this procedure:
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
49VUL/G/LGCIU/SYS1/NORM1GAC09
121VUHYDRAULIC/LGCIU/SYS1/GRND SPLY52GAQ34
Subtask 32-31-00-869-109-A
E. Flight Configuration Precautions
   (1) Do the flight configuration precautions with electrical power (Ref. AMM TASK 32-00-00-860-001).
   (2) On the panel 35VU, make sure that:
  • The GEN1, GEN2, APU GEN, EXT PWR and GALLEY pushbutton switches are pushed in.
Subtask 32-31-00-860-097-A
F. Aircraft Maintenance Configuration
   (1) Disconnect the isolation coupling of the PTU (Ref. AMM TASK 29-23-00-860-001).
   (2) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
   (3) On panel 35VU, make sure that:
  • The GEN1, GEN2, APU GEN, EXT PWR and GALLEY pushbutton switches are released (out).
Subtask 32-31-00-860-098-A
G. Energize the Aircraft Electrical Circuits from the Batteries
WARNING: MAKE SURE THAT THE EXTERNAL POWER CONNECTOR IS NOT CONNECTED.
   (1) On panel 35VU:
     (a) Make sure that the voltage of batteries 1 and 2 is more than 25.5 VDC.
     (b) Push (in) the BAT1 and BAT2 pushbutton switches.
   (2) On panel 25VU, on the section INT LT:
     (a) Set the DOME switch to the position DIM or BRT. Make sure that the dome lights come on.
     (b) Set the DOME switch to the OFF position. Make sure that the dome lights go off.
Subtask 32-31-00-480-064-A
H. Installation of the Test Equipment
F Probes and Sensors - Location and Detail
CAUTION: REMOVE THE PROTECTIVE COVERS FROM THE PROBES BEFORE YOU DO THE TEST.
CAUTION: WHEN YOU SEAL THE DRAIN HOLE IN THE PITOT PROBE, DO NOT SEAL THE HOLE DIRECTLY WITH THE COLORED ADHESIVE TAPE. ALWAYS PUT A PIECE OF PLASTIC ON THE HOLE FIRST AND USE THE COLORED ADHESIVE TAPE TO ATTACH THE PLASTIC. IF YOU SEAL THE DRAIN HOLE DIRECTLY WITH THE ADHESIVE TAPE, THERE IS A RISK THAT SOME OF THE ADHESIVE WILL STAY ON THE HOLE AND COLLECT PARTICLES. THIS CAN SUBSEQUENTLY CAUSE BLOCKAGE OF THE HOLE AND THUS INCORRECT OPERATION OF THE PROBE.
   (1) Remove the slip covers from the static and pitot probes.
   (2) Connect the GENERATOR - GROUND PRESSURE MINI. 100 MB to the static and pitot probes as follows:
     (a) Use the 98D34003500000 ADAPTER COVER-STATIC PORT to connect the GENERATOR - GROUND PRESSURE MINI. 100 MB to static probes 7DA1 and 8DA1.
     (b) Use the 36122 ADAPTOR-CHARGING,PITOT PROBE or the 98F34103001000 ADAPTER-PITOT PROBE for Thales probes or the P75701-4C ADAPTER-PITOT PROBE for Rosemount (Aerospace)/Goodrich probes to connect the GENERATOR - GROUND PRESSURE MINI. 100 MB to pitot probe 9DA1.
     (c) Use the TAPE - ADHESIVE to seal the drain holes of pitot probe 9DA1.
   (3) Use the TIE WRAP(S) to install the 98F32304000000 TARGET-FALSE on:
  • The left MLG extension-proximity-sensor (21GA)
  • The right MLG extension-proximity-sensor (20GA).
   (4) Remove the 460005835 SLEEVE - GROUND LOCK from the applicable MLG door actuator (Ref. AMM TASK 32-00-00-081-002).
4. Procedure
Subtask 32-31-00-720-068-A
WARNING: IF THE GROUND DOOR OPERATING-HANDLE MOVES AWAY FROM THE OPEN POSITION BUT THE RELATED DOOR(S) DOES(DO) NOT CLOSE, MOVE THE HANDLE BACK TO THE OPEN POSITION IMMEDIATELY. IF YOU DO NOT KEEP THE HANDLE IN THE OPEN POSITION ALL THE TIME, THE RELATED DOOR(S) CAN CLOSE SUDDENLY AND CAUSE INJURY TO PERSONS.
WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE LANDING GEAR DOORS ARE CLEAR.
CAUTION: TO PREVENT DAMAGE TO INSTRUMENTS, OBEY THESE PRECAUTIONS WHEN YOU DO THE TEST:
  • THE PRESSURES SET MUST NOT BE MORE THAN 1050 hPa (31 in Hg) OR LESS THAN 115 hPa (3.39 in Hg)
  • CHANGES IN STATIC AND TOTAL PRESSURES MUST NOT BE MORE THAN 6000 FEET/MINUTE
  • DO NOT SUDDENLY OPEN LINES TO AMBIENT AIR WHILE THE PRESSURE GENERATOR IS CONNECTED.
CAUTION: THE TOTAL PRESSURE IN THE PITOT SYSTEM MUST NEVER BE LESS THAN THE STATIC PRESSURE. THE DIFFERENCE BETWEEN THE PITOT AND THE STATIC PRESSURE CIRCUITS MUST NEVER BE MORE THAN 368 hPa (10.86 in Hg).
A. Operational Check to Ensure Safety Valve Closes at 260 Knots
NOTE: During this check, the ECAM shows the warning L/G SYS DISAGREE, which you can ignore.
ACTION
RESULT
1.On panel 20VU:
  • Make sure that the ADIRS is set to the OFF position.

WARNING: MAKE SURE THAT THE CONTROLS AGREE WITH THE POSITION OF THE ITEMS THEY OPERATE BEFORE YOU PRESSURIZE A HYDRAULIC SYSTEM. UNWANTED MOVEMENT OF HYDRAULICALLY OPERATED ITEMS CAN CAUSE SERIOUS INJURY AND/OR DAMAGE.
2.Use the GROUND POWER CART-HYDRAULIC to pressurize the Green hydraulic system (Ref. AMM TASK 29-10-00-863-001).
3.Make sure that the travel range of the applicable MLG door is clear.

4.Try to move the applicable ground door-operating handle to the CLOSE position.
The related MLG door will not close.
NOTE: The ground door-operating handle can move because of the remaining hydraulic pressure, but the MLG door will not close. If the ground door-operating handle moves, set it back to the OPEN position.
5.Remove and discard the TIE WRAP(S).

6.Remove the 98F32304000000 TARGET-FALSE from:
  • The left MLG extension-proximity-sensor (21GA)
  • The right MLG extension-proximity-sensor (20GA).
Safety valve 49GA is energized (valve open).
7.Make sure that the travel range of the applicable MLG door is clear.

8.Move the applicable ground door-operating handle to the CLOSE position.
The related MLG door closes.
   (1) Do a reset of LGCIU-1 (5GA1) as follows:
     (a) Open the circuit breakers that follow:
  • 1GA
  • 52GA.
     (b) Wait for a minimum of 15 seconds.
     (c) Close the circuit breakers that follow:
  • 1GA
  • 52GA.
     (d) Make sure that the ECAM does not show the warning L/G SYS DISAGREE.
   (2) Depressurize the Green hydraulic system
(Ref. AMM TASK 29-10-00-864-001).
Subtask 32-31-00-865-102-A
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUEIS/RLY/BOX/CAPT17WT1E08
49VUNAV/STBY/HORIZON5FNF12
** ON A/C NOT FOR ALL
49VUL/G/Y BRK/PRESS/IND61GGC10
49VUCOM/CIDS/DEU A ESS/LINE 2155RHG05
49VUCOM/CIDS/DEU A ESS/LINE 1154RHG04
** ON A/C NOT FOR ALL
49VUNAV PROBES/ADIRU3/PWR/SWTG8FPF09
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/ELAC1/NORM/SPLY15CE1B11
49VUFLIGHT CONTROLS/THS/ACTR/MOT219CE2B09
49VUFLIGHT CONTROLS/SEC1/NORM/SPLY21CE1B08
49VUFLIGHT CONTROLS/FLP/CTL AND MONG/SYS16CVB07
49VUFLIGHT CONTROLS/SLT/CTL AND MONG/SYS15CVB06
49VUAUTO FLT/FCU/19CA1B05
49VUEIS/ECAM/CTL/PNL15WTE12
49VUEIS/DMC1/SWTG21WT1E09
49VUCOM/CIDS/DEU B/ESS153RHG03
49VUCOM/CIDS/DIR ESS/1150RHG01
49VULIGHTING/EMER LT/CABIN79WLH07
49VULIGHTING/STBY/COMP/LIGHT1LFH04
** ON A/C NOT FOR ALL
49VUCOM/AUDIO/ACP/F/O5RNG07
** ON A/C NOT FOR ALL
49VUCOM/AUDIO/FLT/INTPH9RNG08
49VUCOM/AUDIO/ACP/CAPT4RNG06
** ON A/C ALL
49VUFUEL/SMOKE/CONFIG/PUMP CTL55QAA14
49VUFUEL/LP VALVE/MOT1/ENG22QGA09
49VUFUEL/LP VALVE/MOT1/ENG11QGA08
49VUENGINE/2/FIRE DET/LOOP B8WD2A07
49VUENGINE/1/FIRE DET/LOOP A7WD1A06
49VUENGINE/2/FADEC A/AND EIU 22KS2A05
49VUENGINE/1/FADEC A/AND EIU 12KS1A04
49VUENGINE/1 AND 2/IGN/SYS A1JHA03
49VUENGINE/2/HP FUEL SOV1KC2A02
49VUENGINE/1/HP FUEL SOV1KC1A01
49VUHYD/FIRE VALVE/Y/ENG23702GDC14
49VUHYD/FIRE VALVE/G/ENG11703GKC13
49VUHYD/HYD PWR/B WARN/& CTL2702GJC12
49VUAIR COND/RAM/AIR/INLET1HZD10
49VUAIR COND/CAB/PRESS/CTL11HLD09
49VUAIR COND/AVNCS VENT/CTL5HQD05
49VUEIS/DMC3/SWTG21WT3E07
49VUEIS/ECAM DU/UPPER/SWTG24WT1E06
49VUEIS/PFD CAPT/SWTG22WT1E04
49VUCLOCK/NORM/SPLY6FSF11
49VUCAPT/LOUD/SPKR5WWF10
49VUSDAC/1 AND 2/28VDC/ESS BUS12WVF05
49VUCOM/RMP/12RG1G10
49VUCOM/VHF/12RC1G09
** ON A/C NOT FOR ALL
49VUCOM/ACP F/O/BITE/ INT 2 AUDIO/3&5 OCCPNT5RNG07
** ON A/C NOT FOR ALL
49VUCOM/INT/1+29RNG08
49VUCOM/ACP CAPT/SELCAL/INT 1 AUDIO/AVNCS4RNG06
** ON A/C NOT FOR ALL
49VUABCU &/Y BRK/PRESS IND61GGC10
** ON A/C NOT FOR ALL
49VUANTI ICE/RAIN/RPLNT/CAPT1DB1D01
** ON A/C NOT FOR ALL
49VUNAV/STBY/INST5FNF12
** ON A/C NOT FOR ALL
49VUNAV PROBES/ADIRU3/PWR/SWTG8FPF08
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/ELAC1/NORM/SPLY15CE1B06
49VUFLIGHT CONTROLS/THS/ACTR/MOT219CE2B04
49VUFLIGHT CONTROLS/SEC1/NORM/SPLY21CE1B03
49VUFLIGHT CONTROLS/FLP/CTL AND MONG/SYS16CVB02
49VUFLIGHT CONTROLS/SLT/CTL AND MONG/SYS15CVB01
49VUEIS/ECAM/CTL/PNL15WTE11
49VUEIS/DMC1/SWTG21WT1E08
49VUCOM NAV/CIDS/DIR1 ESS150RHG01
49VUAUTO FLT/FCU/19CA1H11
49VULIGHTING/EMER LT/CABIN79WLH05
49VULIGHTING/STBY/COMP/LIGHT1LFH02
** ON A/C NOT FOR ALL
121VUENGINE/IGN/ENG2/SYS A BAT2JH2P40
121VUENGINE/IGN/ENG1/SYS A BAT2JH1P39
** ON A/C NOT FOR ALL
121VUENGINE/ENG1/FADEC B/AND EIU 14KS1R41
** ON A/C ALL
121VUENGINE/IGN/ENG2/SYS B3JH2P42
121VUENGINE/IGN/ENG1/SYS B3JH1P41
** ON A/C NOT FOR ALL
121VUENGINE/ENG1/FADEC B/AND EIU 14KS1R40
Subtask 32-31-00-865-103-A
C. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
49VUL/G/LGCIU/SYS1/NORM1GAC09
** ON A/C NOT FOR ALL
121VULGCIU/BAT SPLY/SYS158GAR32
** ON A/C ALL
121VUHYDRAULIC/LGCIU/SYS1/GRND SPLY52GAQ34
** ON A/C NOT FOR ALL
121VULGCIU/BAT SPLY/SYS158GAR31
Subtask 32-31-00-020-052-A
D. Removal of the LGCIU 1
   (1) Remove the LGCIU 1 (5GA1) (Ref. AMM TASK 32-31-71-000-001).
Subtask 32-31-00-865-106-A
E. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
49VUL/G/LGCIU/SYS1/NORM1GAC09
** ON A/C NOT FOR ALL
121VULGCIU/BAT SPLY/SYS158GAR32
** ON A/C ALL
121VUHYDRAULIC/LGCIU/SYS1/GRND SPLY52GAQ34
** ON A/C NOT FOR ALL
121VULGCIU/BAT SPLY/SYS158GAR31
Subtask 32-31-00-861-061-A
F. Energize the Aircraft Electrical Circuits
   (1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
Subtask 32-31-00-740-054-A
G. BITE Test
   (1) Do the interface and power-up test of the cabin intercommunication data-system through the centralized fault display-system (Ref. AMM TASK 23-73-00-740-005).
   (2) Do the BITE test of the smoke detection function (system test) (Ref. AMM TASK 26-10-00-740-801).
Subtask 32-31-00-720-069-A
WARNING: IF THE GROUND DOOR OPERATING-HANDLE MOVES AWAY FROM THE OPEN POSITION BUT THE RELATED DOOR(S) DOES(DO) NOT CLOSE, MOVE THE HANDLE BACK TO THE OPEN POSITION IMMEDIATELY. IF YOU DO NOT KEEP THE HANDLE IN THE OPEN POSITION ALL THE TIME, THE RELATED DOOR(S) CAN CLOSE SUDDENLY AND CAUSE INJURY TO PERSONS.
WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE LANDING GEAR DOORS ARE CLEAR.
CAUTION: TO PREVENT DAMAGE TO INSTRUMENTS, OBEY THESE PRECAUTIONS WHEN YOU DO THE TEST:
  • THE PRESSURES SET MUST NOT BE MORE THAN 1050 hPa (31 in Hg) OR LESS THAN 115 hPa (3.39 in Hg)
  • CHANGES IN STATIC AND TOTAL PRESSURES MUST NOT BE MORE THAN 6000 FEET/MINUTE
  • DO NOT SUDDENLY OPEN LINES TO AMBIENT AIR WHILE THE PRESSURE GENERATOR IS CONNECTED.
CAUTION: THE TOTAL PRESSURE IN THE PITOT SYSTEM MUST NEVER BE LESS THAN THE STATIC PRESSURE. THE DIFFERENCE BETWEEN THE PITOT AND THE STATIC PRESSURE CIRCUITS MUST NEVER BE MORE THAN 368 hPa (10.86 in Hg).
H. Operational Check to Ensure Safety Valve Closes at 260 knots
ACTION
RESULT
1.On panel 20VU:
  • Set the IR1 selector switch to ATT.
The Air Data Inertial Reference Unit 1 (ADIRU 1) energizes.
WARNING: MAKE SURE THAT THE CONTROLS AGREE WITH THE POSITION OF THE ITEMS THEY OPERATE BEFORE YOU PRESSURIZE A HYDRAULIC SYSTEM. UNWANTED MOVEMENT OF HYDRAULICALLY OPERATED ITEMS CAN CAUSE SERIOUS INJURY AND/OR DAMAGE.
2.Use the GROUND POWER CART-HYDRAULIC to pressurize the Green hydraulic system (Ref. AMM TASK 29-10-00-863-001).
3.Move the ground door-operating handle to the OPEN position.
The MLG door opens.
4.Set the GROUND PRESSURE GENERATOR to give a signal of between 268 and 270 knots.
In the cockpit, on the PFD, airspeed value is between 268 and 270 knots.
5.Try to move the applicable ground door-operating handle to the CLOSE position.
The door will not close.
NOTE: The ground door-operating handle can move because of remaining hydraulic pressure, but the door will not close. If the ground door-operating handle moves, set it back to the OPEN position.
6.Slowly decrease the signal from the GROUND PRESSURE GENERATOR to between 254 and 256 knots.
Safety valve 49GA energizes (valve OPEN).

In the cockpit, on the PFD, airspeed value is between 254 and 256 knots.
7.Make sure that the travel range of the applicable MLG door is clear.

8.Put the applicable ground door-operating handle to the CLOSE position.
The MLG door closes.
9.Set the GROUND PRESSURE GENERATOR to OFF.

Subtask 32-31-00-080-062-A
I. Removal of the Test Equipment
   (1) Disconnect and remove the 98D34003500000 ADAPTER COVER-STATIC PORT equipment from the static probes 7DA1 and 8DA1.
   (2) Disconnect and remove the 36122 ADAPTOR-CHARGING,PITOT PROBE or the 98F34103001000 ADAPTER-PITOT PROBE or the P75701-4C ADAPTER-PITOT PROBE from the pitot probe 9DA1.
   (3) Remove the colored adhesive tape from the pitot probe 9DA1 drain holes.
Subtask 32-31-00-480-065-A
J. Installation of the Test Equipment
CAUTION: WHEN YOU SEAL THE DRAIN HOLE IN THE PITOT PROBE, DO NOT SEAL THE HOLE DIRECTLY WITH THE COLORED ADHESIVE TAPE. ALWAYS PUT A PIECE OF PLASTIC ON THE HOLE FIRST AND USE THE COLORED ADHESIVE TAPE TO ATTACH THE PLASTIC. IF YOU SEAL THE DRAIN HOLE DIRECTLY WITH THE ADHESIVE TAPE, THERE IS A RISK THAT SOME OF THE ADHESIVE WILL STAY ON THE HOLE AND COLLECT PARTICLES. THIS CAN SUBSEQUENTLY CAUSE BLOCKAGE OF THE HOLE AND THUS INCORRECT OPERATION OF THE PROBE.
   (1) Connect the GROUND PRESSURE GENERATOR to the static and pitot probes as follows:
     (a) Connect the 98D34003500000 ADAPTER COVER-STATIC PORT equipment to the static probes 7DA3 and 8DA3
     (b) Use the 36122 ADAPTOR-CHARGING,PITOT PROBE or the 98F34103001000 ADAPTER-PITOT PROBE for Thales probes or the P75701-4C ADAPTER-PITOT PROBE for Rosemount (Aerospace)/Goodrich probes to connect the GROUND PRESSURE GENERATOR to the pitot probe 9DA3.
     (c) Seal the drain holes of the pitot probe 9DA3 with TAPE - ADHESIVE.
Subtask 32-31-00-720-070-A
K. Operational Check to Ensure Safety Valve Closes at 260 knots
WARNING: IF THE GROUND DOOR OPERATING-HANDLE MOVES AWAY FROM THE OPEN POSITION BUT THE RELATED DOOR(S) DOES(DO) NOT CLOSE, MOVE THE HANDLE BACK TO THE OPEN POSITION IMMEDIATELY. IF YOU DO NOT KEEP THE HANDLE IN THE OPEN POSITION ALL THE TIME, THE RELATED DOOR(S) CAN CLOSE SUDDENLY AND CAUSE INJURY TO PERSONS.
   (1) On the panel 20VU, do the steps that follow:
  • Set the IR1 selector switch to OFF
  • Set the IR3 selector switch to ATT. This will energize the ADIRU 3.
   (2) Do again the test procedure in Para.4.J., steps 3. thru 9.
   (3) Depressurize the Green hydraulic system
(Ref. AMM TASK 29-10-00-864-001).
Subtask 32-31-00-865-104-A
L. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
49VUL/G/LGCIU/SYS1/NORM1GAC09
** ON A/C NOT FOR ALL
121VULGCIU/BAT SPLY/SYS158GAR32
** ON A/C ALL
121VUHYDRAULIC/LGCIU/SYS1/GRND SPLY52GAQ34
** ON A/C NOT FOR ALL
121VULGCIU/BAT SPLY/SYS158GAR31
Subtask 32-31-00-420-052-A
M. Installation of the LGCIU 1
   (1) Install the LGCIU 1 (5GA1) (Ref. AMM TASK 32-31-71-400-001).
5. Close-up
Subtask 32-31-00-080-066-A
A. Removal of the Test Equipment
   (1) Disconnect and remove the 98D34003500000 ADAPTER COVER-STATIC PORT equipment from the static probes 7DA3 and 8DA3, and the GROUND PRESSURE GENERATOR.
   (2) Disconnect and remove the 36122 ADAPTOR-CHARGING,PITOT PROBE or the 98F34103001000 ADAPTER-PITOT PROBE or the P75701-4C ADAPTER-PITOT PROBE from the pitot probe 9DA3 and the GROUND PRESSURE GENERATOR.
   (3) Remove the colored adhesive tape from the pitot probe 9DA3 drain holes.
Subtask 32-31-00-860-099-A
B. Aircraft Maintenance Configuration
   (1) Make sure that the MLG doors are open. Install the safety devices on the MLG door actuators (Ref. AMM TASK 32-00-00-481-002).
   (2) On panel 20VU:
  • Set the IR 3 selector switch to the OFF position.
   (3) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
   (4) Connect the isolation coupling of the PTU (Ref. AMM TASK 29-23-00-860-002).
Subtask 32-31-00-865-105-A
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
49VUL/G/LGCIU/SYS1/NORM1GAC09
105VUELEC/CSM/G /EV AUTO/SPLY7XEC01
** ON A/C NOT FOR ALL
121VULGCIU/BAT SPLY/SYS158GAR32
** ON A/C ALL
121VUHYDRAULIC/LGCIU/SYS1/GRND SPLY52GAQ34
** ON A/C NOT FOR ALL
121VULGCIU/BAT SPLY/SYS158GAR31
Subtask 32-31-00-942-089-A
D. Removal of Equipment
   (1) Make sure that the work area is clean and clear of tools and other items.
Subtask 32-31-00-410-071-B
E. Close Access
   (1) Close the applicable MLG doors (Ref. AMM TASK 32-12-00-410-001).
   (2) Remove the 98D29208246001 DEVICE-SAFETY,RAT or the 98D29208246000 SAFETY DEVICE-RAT (Ref. AMM TASK 29-22-00-860-008).
   (3) Close the applicable quick-release access panels 195BB and 196BB (Ref. AMM TASK 53-35-13-400-002).
Subtask 32-31-00-869-110-A
F. Flight Configuration Precautions
   (1) Put the aircraft back to the ground configuration (Ref. AMM TASK 32-00-00-860-002).
Subtask 32-31-00-942-090-A
G. Removal of Equipment
   (1) Remove the 98D27803500001 LOCKING TOOL ZERO POS or the 98D27803500002 LOCKING TOOL ZERO POS from the flap/slat control lever.
   (2) Remove the SAFETY BARRIER(S).
   (3) Remove the WARNING NOTICE(S).
   (4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
[Rev.10 from 2021] 2026.04.01 00:43:54 UTC
"Aviabrain" 2025