W DOC AIRBUS | AMM A320F

Operational Test of the Slat System


TASK 27-84-00-710-001-A
Operational Test of the Slat System


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.
1. Reason for the Job
Self Explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
SAFETY BARRIER(S)
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
No specific
AR
WARNING NOTICE(S)
 B. Referenced Information
REFERENCE
DESIGNATION
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 29-10-00-863-001-A
Pressurize the Green Hydraulic System with a Hydraulic Ground Power-Cart
TASK 29-10-00-863-002-A
Pressurize the Yellow Hydraulic System with a Hydraulic Ground Power-Cart
TASK 29-10-00-863-003-A
Pressurize the Blue Hydraulic System with a Hydraulic Ground Power-Cart
TASK 29-10-00-863-003-A-01
Pressurize the Blue Hydraulic System with the Blue Electric Pump
TASK 29-10-00-864-001-A
Depressurize the Green Hydraulic System
TASK 29-10-00-864-002-A
Depressurize the Yellow Hydraulic System
TASK 29-10-00-864-003-A
Depressurize the Blue Hydraulic System
TASK 29-23-00-863-001-A
Pressurize the Green Hydraulic System from the Yellow Hydraulic System through the PTU with the Electric Pump
TASK 29-23-00-864-001-A
Depressurize the Green and Yellow Hydraulic Systems after Operation of the PTU
TASK 29-24-00-863-001-A
Pressurize the Yellow Hydraulic System with the Electric Pump
TASK 31-60-00-860-001-A
EIS Start Procedure
3. Job Set-up
Subtask 27-84-00-941-050-A
A. Safety Precautions
   (1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
   (2) Put the WARNING NOTICE(S) in position to tell persons that the slat system is in operation.
Subtask 27-84-00-860-052-A
B. Aircraft Maintenance Configuration
   (1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
   (2) Pressurization of the hydraulic systems
NOTE: Make sure that the hydraulic pressure is sufficient to move the slats.
     (a) Pressurize the Yellow hydraulic system
(Ref. AMM TASK 29-10-00-863-002) or (Ref. AMM TASK 29-24-00-863-001).
     (b) Pressurize the Blue hydraulic system
(Ref. AMM TASK 29-10-00-863-003).
     (c) Pressurize the Green hydraulic system
(Ref. AMM TASK 29-10-00-863-001) or (Ref. AMM TASK 29-23-00-863-001).
Subtask 27-84-00-865-050-A
C. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/FLP/CTL AND MONG/SYS16CVB07
49VUAUTO FLT/FAC1/26VAC14CC1B03
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/FLP/CTL AND MONG/SYS16CVB02
49VUAUTO FLT/FAC1/26VAC14CC1H09
** ON A/C ALL
121VUAUTO FLT/FAC2/26VAC14CC2M18
121VUFLIGHT CONTROLS/FLP/CTL AND/MONG/SYS28CVQ21
Subtask 27-84-00-865-052-A
D. Make sure that this(these) circuit breaker(s) is(are) closed:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/SLT/CTL AND MONG/SYS15CVB06
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/SLT/CTL AND MONG/SYS15CVB01
** ON A/C ALL
121VUFLIGHT CONTROLS/WTB/SLT/SYS211CVP19
121VUFLIGHT CONTROLS/SLT/CTL/SYS27CVR21
122VUFLIGHT CONTROLS/WTB/SLT/SYS19CVS06
4. Procedure
Subtask 27-84-00-710-050-A ** ON A/C NOT FOR ALL
A. Operational Test of the Slat System
WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
CAUTION: IF THE THRUST REVERSER COWLS ARE OPEN, MAKE SURE THAT THE HALF DOORS OF THE THRUST REVERSER ARE CLOSED BEFORE YOU EXTEND THE SLATS. IF THE DOORS ARE OPEN, YOU CAN CAUSE DAMAGE TO THE SLATS AND HALF DOORS WHEN THE SLATS EXTEND.
   (1) Do the EIS start procedure (upper ECAM DU and lower ECAM DU only)
(Ref. AMM TASK 31-60-00-860-001).
   (2) Do this test:
ACTION
RESULT
1.On the center pedestal on the panel 114VU:

  • move the slat and flap control lever to the position 1 and then to the position 2. Stop at each notch until the slats are in their new position.
  • the slats move to the set position.

    On the ECAM upper DU:
  • the slat position bar moves to the set position
  • the new position of the lever and the travel direction of the slats are shown.
2.On the panel 114VU:

  • move the slat and flap control lever to the position 3.
  • the slats do not move.

    On the ECAM upper DU:
  • the slat position bar does not move
  • the new position of the lever is shown as above.
3.On the panel 114VU:

  • move the slat and flap control lever to the position FULL.
  • the slats move to the set position.

    On the ECAM upper DU:
  • the slat position bar moves to the set position
  • the new position of the lever and the travel direction of the slats are shown.
4.On the panel 114VU:

  • move the slat and flap control lever back to the position 3.
  • the slats move to the set position.

    On the ECAM upper DU:
  • the slat position bar moves to the set position
  • the new position of the lever and the travel direction of the slats are shown
  • no warnings related to the slat system are shown.
5.On the panel 114VU:

  • move the slat and flap control lever back to the position 2.
  • the slats do not move.

    On the ECAM upper DU:
  • the slat position bar does not move
  • the new position of the lever is shown.
6.On the panel 114VU:

  • move the slat and flap control lever back to the positions 1 and 0. Stop at each notch until the slats are in their new position.
  • the slats move to the set position.

    On the ECAM upper DU:
  • the slat position bar moves to the set position
  • the new position of the lever and the travel direction of the slats are shown
  • no warnings related to the slat system are shown.
Subtask 27-84-00-710-050-B ** ON A/C NOT FOR ALL
A. Operational Test of the Slat System
WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
   (1) Electronic Centralized Aircraft Monitoring
     (a) Set the ECAM system to ON (Ref. AMM TASK 31-60-00-860-001).
   (2) Do this test:
ACTION
RESULT
1.On the center pedestal on the panel 114VU:

  • move the slat and flap control lever to the position 1 and then to the position 2. Stop at each notch until the slats are in their new position.
  • the slats move to the set position.

    On the ECAM upper DU:
  • the slat position bar moves to the set position
  • the new position of the lever and the travel direction of the slats are shown.
2.On the panel 114VU:

  • move the slat and flap control lever to the position 3.
  • the slats do not move.

    On the ECAM upper DU:
  • the slat position bar does not move
  • the new position of the lever is shown as above.
3.On the panel 114VU:

  • move the slat and flap control lever to the position FULL.
  • the slats move to the set position.

    On the ECAM upper DU:
  • the slat position bar moves to the set position
  • the new position of the lever and the travel direction of the slats are shown.
4.On the panel 114VU:

  • move the slat and flap control lever back to the position 3.
  • the slats move to the set position.

    On the ECAM upper DU:
  • the slat position bar moves to the set position
  • the new position of the lever and the travel direction of the slats are shown
  • no warnings related to the slat system are shown.
5.On the panel 114VU:

  • move the slat and flap control lever back to the position 2.
  • the slats do not move.

    On the ECAM upper DU:
  • the slat position bar does not move
  • the new position of the lever is shown.
6.On the panel 114VU:

  • move the slat and flap control lever back to the positions 1 and 0. Stop at each notch until the slats are in their new position.
  • the slats move to the set position.

    On the ECAM upper DU:
  • the slat position bar moves to the set position
  • the new position of the lever and the travel direction of the slats are shown
  • no warnings related to the slat system are shown.
Subtask 27-84-00-710-050-C ** ON A/C NOT FOR ALL
A. Operational Test of the Slat System
WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
CAUTION: DO NOT EXTEND THE SLATS WHEN THE FAN COWLS AND THE THRUST REVERSER COWLS ARE OPEN. IF YOU DO THIS, DAMAGE TO THE AIRCRAFT CAN OCCUR.
   (1) Do the EIS start procedure (upper ECAM DU and lower ECAM DU only)
(Ref. AMM TASK 31-60-00-860-001).
   (2) Do this test:
ACTION
RESULT
1.On the center pedestal on the panel 114VU:

  • move the slat and flap control lever to the position 1 and then to the position 2. Stop at each notch until the slats are in their new position.
  • the slats move to the set position.

    On the ECAM upper DU:
  • the slat position bar moves to the set position
  • the new position of the lever and the travel direction of the slats are shown.
2.On the panel 114VU:

  • move the slat and flap control lever to the position 3.
  • the slats do not move.

    On the ECAM upper DU:
  • the slat position bar does not move
  • the new position of the lever is shown as above.
3.On the panel 114VU:

  • move the slat and flap control lever to the position FULL.
  • the slats move to the set position.

    On the ECAM upper DU:
  • the slat position bar moves to the set position
  • the new position of the lever and the travel direction of the slats are shown.
4.On the panel 114VU:

  • move the slat and flap control lever back to the position 3.
  • the slats move to the set position.

    On the ECAM upper DU:
  • the slat position bar moves to the set position
  • the new position of the lever and the travel direction of the slats are shown
  • no warnings related to the slat system are shown.
5.On the panel 114VU:

  • move the slat and flap control lever back to the position 2.
  • the slats do not move.

    On the ECAM upper DU:
  • the slat position bar does not move
  • the new position of the lever is shown.
6.On the panel 114VU:

  • move the slat and flap control lever back to the positions 1 and 0. Stop at each notch until the slats are in their new position.
  • the slats move to the set position.

    On the ECAM upper DU:
  • the slat position bar moves to the set position
  • the new position of the lever and the travel direction of the slats are shown
  • no warnings related to the slat system are shown.
5. Close-up
Subtask 27-84-00-860-053-A
A. Put the aircraft back to its initial configuration.
   (1) Depressurize the Yellow hydraulic system
(Ref. AMM TASK 29-10-00-864-002).
   (2) Depressurize the Blue hydraulic system
(Ref. AMM TASK 29-10-00-864-003).
   (3) Depressurize the Green hydraulic system
(Ref. AMM TASK 29-10-00-864-001) or (Ref. AMM TASK 29-23-00-864-001).
   (4) Do the EIS stop procedure
(Ref. AMM TASK 31-60-00-860-001).
   (5) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
Subtask 27-84-00-865-051-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
49VUFLIGHT CONTROLS/FLP/CTL AND MONG/SYS16CVB07
49VUAUTO FLT/FAC1/26VAC14CC1B03
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/FLP/CTL AND MONG/SYS16CVB02
49VUAUTO FLT/FAC1/26VAC14CC1H09
** ON A/C ALL
121VUAUTO FLT/FAC2/26VAC14CC2M18
121VUFLIGHT CONTROLS/FLP/CTL AND/MONG/SYS28CVQ21
Subtask 27-84-00-942-050-A
C. Removal of Equipment
   (1) Remove the safety barriers.
   (2) Remove the WARNING NOTICE(S).
   (3) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
[Rev.10 from 2021] 2026.04.01 04:00:46 UTC