Procedure to Park an Aircraft without Air Supply and without Electrical Supply

TASK 12-31-10-555-003-A
Procedure to Park an Aircraft without Air Supply and without Electrical Supply

1. Reason for the Job
The parking duration must be limited to 12 hours.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	WARNING NOTICE(S)
98D10000013000	2	COVER-INLET COWL ENGINE
98D20003001000	1	KIT,COLD WEATHER-MLG WHEELS,ENGINES,PROBES
98D32000005000	2	COVER-MAIN LANDING GEAR
HIX6002	2	HALF PLUG, RIGHT-THRUST REVERSER
HIX6003	2	HALF PLUG, LEFT-THRUST REVERSER
RSE1132	2	COVER - COMMON NOZZLE

B. Referenced Information

REFERENCE	DESIGNATION
TASK 12-31-23-555-801-A	Cold Weather Maintenance - Parking at very low outside temperatures - Communications
TASK 12-31-28-660-001-A	Cold Weather Maintenance - Fuel
TASK 12-31-38-660-001-A	Cold Weather Maintenance - Water/Waste
TASK 12-31-52-660-001-A	Cold Weather Maintenance - Doors
TASK 24-38-51-000-001-A	Removal of the Battery
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 29-10-00-864-002-A	Depressurize the Yellow Hydraulic System
TASK 31-38-22-000-001-A	Removal of the MDDU
TASK 32-44-11-200-001-A	Functional Check of Parking/Emergency Brake Accumulator by Reading the Charge Pressure on the Accumulator Gauge
TASK 33-51-38-000-002-A	Removal of the Battery of the Emergency Power Supply Unit (EPSU)
TASK 35-12-41-000-002-A	Removal of the Full-Face/Quick-Donning Oxygen-Mask
TASK 49-61-34-000-002-A	Removal of the Electronic Control Box (ECB) (APS 3200)
TASK 49-61-34-000-003-A	Removal of the Electronic Control Box (ECB) (131-9(A))
TASK 71-00-00-660-803-A	Prepare the Engine for Cold Weather after Shutdown

3. Job Set-up
Subtask 12-31-10-860-054-A ** ON A/C NOT FOR ALL

A. Aircraft configuration
(1) Park the aircraft on a flat surface. Make sure that the wheels of the nose landing gear are aligned with the aircraft axis and the aircraft points into the wind.
(2) Put fiber material between the tires and the ground surface.
(3) Make sure that the wheel chocks are in position.
(4) On the panel 110VU, make sure that the PARKING BRK control-switch is in the OFF position.
(5) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).

4. Procedure
Subtask 12-31-10-620-053-B ** ON A/C NOT FOR ALL

A. Aircraft Protection
(1) Make sure that the seals of the doors are lubricated with grease (Ref. AMM TASK 12-31-52-660-001).

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE AFTER SHUTDOWN. THE ENGINE CAN STAY HOT FOR A LONG TIME. IF YOU DO NOT OBEY THIS INSTRUCTION, INJURY CAN OCCUR.

CAUTION: INSTALL PROTECTION COVERS ON ALL THE OPENINGS IMMEDIATELY TO PREVENT DAMAGE TO THE ENGINE.

CAUTION: DAMAGE TO THE ENGINE CAN OCCUR IF SNOW AND RAIN ENTERS THE ENGINE DURING COLD WEATHER CONDITIONS. ICE CAN FORM AND PREVENT ENGINE ROTATION. ICE ON THE ROTORS CAN ALSO CAUSE ROTOR IMBALANCE. INSTALL INLET AND EXHAUST COVERS TO PREVENT MOISTURE FROM ENTERING THE ENGINE.

(2) Install 98D10000013000 COVER-INLET COWL ENGINE, RSE1132 COVER - COMMON NOZZLE, HIX6002 HALF PLUG, RIGHT-THRUST REVERSER and HIX6003 HALF PLUG, LEFT-THRUST REVERSER on the engines.
(3) Install 98D32000005000 COVER-MAIN LANDING GEAR on the Main Landing Gear (MLG) wheels.

NOTE: This tool is included in the 98D20003001000 KIT,COLD WEATHER-MLG WHEELS,ENGINES,PROBES.

Subtask 12-31-10-620-053-D ** ON A/C NOT FOR ALL

A. Aircraft Protection
(1) Make sure that the seals of the doors are lubricated with grease (Ref. AMM TASK 12-31-52-660-001).
(2) Prepare the engine for cold weather after shutdown (Ref. AMM TASK 71-00-00-660-803).
(3) Install the 98D32000005000 COVER-MAIN LANDING GEAR on the Main Landing Gear (MLG) wheels.

NOTE: This tool is included in the 98D20003001000 KIT,COLD WEATHER-MLG WHEELS,ENGINES,PROBES.

Subtask 12-31-10-660-068-A ** ON A/C NOT FOR ALL

B. Refueling
(1) If you must do a refueling procedure, refer to the cold-weather fuel procedure (Ref. AMM TASK 12-31-28-660-001) for:

The anti-icing additives procedure
The fuel-tank water drain procedure.

NOTE: It is not necessary to do the fuel-tank water drain procedure at each refueling. The MPD gives the fuel-tank water drain frequency.

Subtask 12-31-10-660-069-A ** ON A/C NOT FOR ALL

C. Water/Waste
(1) Drain the water tank and waste tank, before you open the cargo doors (Ref. AMM TASK 12-31-38-660-001).

Subtask 12-31-10-020-051-A ** ON A/C NOT FOR ALL

D. Removal of Equipment
(1) Remove these items of equipment and keep them at a temperature between 15 DEG.C (59.00 DEG.F) and 35 DEG.C (95.00 DEG.F):

The floppy disks or the Compact Disks (CD) or the Universal Serial Bus (USB) keys from the cockpit
Quick Access Recorder (QAR) (Ref. AMM D/O 31-33-52-00) (if installed)
Digital AIDS Recorder (DAR) (Ref. AMM D/O 31-36-52-00) (if installed)
Multipurpose Disc Drive Unit (MDDU) (Ref. AMM TASK 31-38-22-000-001)
Batteries 2PB1 and 2PB2 (Ref. AMM TASK 24-38-51-000-001)
Emergency Power Supply Unit (EPSU) (Ref. AMM TASK 33-51-38-000-002)
Portable fire-extinguisher bottles
Megaphone
Emergency Locator Transmitter (ELT)
Flashlights
Full-Face Quick-Donning Mask (Ref. AMM TASK 35-12-41-000-002)
First aid kits
Medical kits
Defibrillator
All the battery-operated equipment installed by the operator in the cabin
The APU Electronic Control Box (ECB) (Ref. AMM TASK 49-61-34-000-002) (Ref. AMM TASK 49-61-34-000-003)
Cabin Intercommunication Data System (CIDS) components (Ref. AMM TASK 12-31-23-555-801).

Subtask 12-31-10-620-054-A ** ON A/C NOT FOR ALL

E. Oxygen
(1) Slowly close the valve of the crew oxygen cylinder/valve assembly (5750 HM) is one step.
(2) Bleed the oxygen lines:
(a) On panel 21VU, push the OXYGEN/CREW SUPPLY pushbutton switch (the OFF legend goes off).
(b) On an oxygen-mask stowage box, operate the PRESS to TEST and RESET control slide a sufficient number of times to make the system empty.
(c) On panel 21VU, release the OXYGEN/CREW SUPPLY pushbutton switch (the OFF legend comes on).
(d) On panel 21VU, put the warning notice to tell persons not to push the OXYGEN/CREW SUPPLY pushbutton switch.

Subtask 12-31-10-620-054-C ** ON A/C NOT FOR ALL

E. Oxygen
(1) Slowly close the valves of the crew oxygen cylinder/valve assemblies (5750HM1 and 5750HM2).
(2) Bleed the oxygen lines:
(a) On panel 21VU, push the OXYGEN/CREW SUPPLY pushbutton switch (the OFF legend goes off).
(b) On the Captain oxygen-mask stowage-box, push the PRESS TO TEST AND RESET control lever. At the same time, push the PRESS TO TEST button on the mask regulator. Hold them until the flow indicator on the storage box goes out of view and you cannot hear the flow (3 seconds).
(c) On the First Officer oxygen-mask stowage-box, push the PRESS TO TEST AND RESET control lever. At the same time, push the PRESS TO TEST button on the mask regulator. Hold them until the flow indicator on the storage box goes out of view and you cannot hear the flow (3 seconds).
(d) On panel 21VU, release the OXYGEN/CREW SUPPLY pushbutton switch (the OFF legend comes on).
(e) On panel 21VU, put the WARNING NOTICE(S) in position to tell persons not to push the OXYGEN/CREW SUPPLY pushbutton switch.

Subtask 12-31-10-860-061-A ** ON A/C NOT FOR ALL

F. Brake Accumulator
(1) Make sure that the brake accumulator is depressurized or:
(a) Depressurize the Yellow hydraulic system (Ref. AMM TASK 29-10-00-864-002).
(b) Push the pressure release button on the pressure relief valve 3067GM to depressurize the alternate brake system.
(c) Make sure that the pressure on the gauge 2585GM decreases to the fill pressure of the accumulator 2582GM (Ref. AMM TASK 32-44-11-200-001).

Subtask 12-31-10-860-055-A ** ON A/C NOT FOR ALL

G. System Configuration
(1) On the ELEC panel 35VU:

Make sure that the GALLEY pushbutton switch is released (the OFF legend is on).
Make sure that the COMMERCIAL pushbutton switch is released (if installed) (the OFF legend is on).

(2) On the VENTILATION section of panel 22VU:

Make sure that the CABIN FANS pushbutton switch is released (the OFF legend is on).

(3) On the HYD section of panel 40VU:

Make sure that the YELLOW ELEC PUMP pushbutton switch is released (the ON legend is off).
Make sure that the PTU pushbutton switch is pushed (the OFF legend is off).

(4) On the HYD section of panel 50VU:

Make sure that the BLUE PUMP OVRD pushbutton switch is released (the ON legend is off).

(5) On the PROBE/WINDOW HEAT section of panel 25VU:

Make sure that the PROBE/WINDOW HEAT pushbutton switch is released (the ON legend is off).

(6) On the AIR COND panel 30VU:

Set the X BLEED selector switch to SHUT.
Make sure that the HOT AIR pushbutton switch is released (the OFF legend is on).

(7) On the SIGNS section of panel 25VU:

Set the EMER EXIT LT switch to ARM.

(8) On the CARGO HEAT section of panel 22VU:

Release the AFT ISOL VALVE pushbutton switch (if installed) (the OFF legend is on)
Release the FWD ISOL VALVE pushbutton switch (if installed) (the OFF legend is on).

(9) On the ADIRS CDU:

Set the OFF/NAV/ATT selector switches related to IR 1,2,3 to OFF
Set the SYS DISPLAY selector switch to OFF.

(10) On the panels 301VU and 500VU:

Set the PDF and ND potentiometers to OFF.

(11) Stop all the MCDUs.
(12) On the FAP 120RH, push the MAIN OFF membrane switch.

Subtask 12-31-10-865-051-A ** ON A/C NOT FOR ALL

H. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	COM/CIDS/DIR ESS/2	157RH	G02
** ON A/C NOT FOR ALL
49VU	COM/CIDS/DEU B/ESS	153RH	G03
49VU	COM/CIDS/DIR ESS/1	150RH	G01
** ON A/C NOT FOR ALL
49VU	AIR COND/CIDS/SDF/DIR2 ESS	18WH	C06
49VU	AIR COND/CIDS/SDF/DIR1 ESS	15WH	C05
49VU	OXYGEN/CREW/OXY/SPLY	1HT	HA01
** ON A/C NOT FOR ALL
49VU	AIR COND/CARGO FIRE/EXTIG/BTL1	1WX	C03
** ON A/C NOT FOR ALL
49VU	AIR COND/CARGO FIRE/EXTIG/BTL2	8WX	C04
** ON A/C NOT FOR ALL
49VU	COM DIR ESS/2	157RH	G02
** ON A/C NOT FOR ALL
49VU	AIR COND/CARGO/FIRE/EXTIG/BTL1	1WX	C03
** ON A/C NOT FOR ALL
49VU	COM NAV/CIDS/DIR2 ESS	157RH	G02
49VU	COM NAV/CIDS/DIR1 ESS	150RH	G01
** ON A/C NOT FOR ALL
121VU	COM CIDS FWD ATTND PNL	170RH	Q14
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DEU A NORM/R AFT	168RH	M12
121VU	COM NAV/CIDS/DEU A NORM/L AFT	167RH	M11
121VU	COM NAV/CIDS/DEU A NORM/R FWD	164RH	M10
121VU	COM NAV/CIDS/DEU A NORM/L FWD	163RH	M09
121VU	COM NAV/CIDS/DEU B/NORM	162RH	M08
121VU	COM NAV/CIDS/DIR NORM/2	156RH	M06
121VU	COM NAV/CIDS/DIR NORM/1	151RH	M05
** ON A/C NOT FOR ALL
121VU	COM NAV/RAD ALTM/2	1SA2	K12
121VU	COM NAV/RAD ALTM/1	1SA1	K11
** ON A/C NOT FOR ALL
121VU	COM/FAP1/NORM	170RH	Q14
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DEU A NORM/R FWD	164RH	M11
121VU	COM NAV/CIDS/DEU A NORM/L FWD	163RH	M10
121VU	COM NAV/CIDS/DIR NORM/2	156RH	M07
121VU	COM NAV/CIDS/DIR NORM/1	151RH	M06
121VU	COM NAV/CIDS/FWD ATTND/PNL	170RH	Q14
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DIR2 NORM	156RH	M06
121VU	COM NAV/CIDS/DIR1 NORM	151RH	M05
** ON A/C NOT FOR ALL
122VU	AIR COND/CARGO/FIRE/EXTIG	1WX	T19
** ON A/C NOT FOR ALL
122VU	AIR COND/CIDS/SDF/DIR NORM/2	14WH	T18
122VU	AIR COND/CIDS/SDF/DIR NORM/1	17WH	T17
122VU	AIR COND/LAV/GALLEY VENT CTL/EXTRACT FAN/SPLY	6HU	U19

Subtask 12-31-10-862-050-A ** ON A/C NOT FOR ALL

I. De-energize the Aircraft Power Supply
(1) On the APU section of panel 25VU:

Push the APU/MASTER SW pushbutton switch (the ON legend goes off).

(2) On the CABIN PRESS section of panel 25VU:

Release the MODE SEL pushbutton switch (the MAN legend comes on).

(3) On the CABIN PRESS section of panel 25VU:

Set the MAN V/S CTL switch to DN and release. The switch moves to the neutral position. Do this operation several times. This closes the outflow valve (on the lower ECAM display unit, on the PRESS page, make sure that the outflow valve is shown closed).

(4) On the ECAM control panel:

Set the UPPER DISPLAY and LOWER DISPLAY potentiometers to OFF.

(5) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).

Subtask 12-31-10-410-051-A ** ON A/C NOT FOR ALL

J. Close-up
(1) Close the cockpit door.
(2) Lock the toilet doors open.

[Rev.10 from 2021] 2026.04.01 04:41:45 UTC