Open Pressure Relief Door(s) on Engine 2 Pylon Forward Fairing

TASK 36-14-00-810-812-A
Open Pressure Relief Door(s) on Engine 2 Pylon Forward Fairing

WARNING: MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU START WORK ON THE PNEUMATIC SYSTEM.

WARNING: BE CAREFUL WHEN YOU WORK ON THE ENGINE COMPONENTS IMMEDIATELY AFTER THE ENGINE IS SHUTDOWN. THE ENGINE COMPONENTS CAN STAY HOT FOR UP TO ONE HOUR.

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. Possible Causes

pressure relief door

2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE
No specific	AR	WARNING NOTICE(S)

B. Referenced Information

REFERENCE	DESIGNATION
TSM TASK 36-22-00-810-845-A	Engine 2 Pylon Leak
AMM 54-52-11-000-805	Removal of the Access Skin Panels
AMM 54-52-11-400-805	Installation of the Access Skin Panels

3. Fault Confirmation
Subtask 36-14-00-700-061-A ** ON A/C NOT FOR ALL

A. Not applicable. No confirmation test is necessary.

Subtask 36-14-00-860-068-A ** ON A/C NOT FOR ALL

B. Safety Precautions
(1) On the center pedestal, on ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 2 shutdown occurred not less than 5 minutes before you do this procedure.
(3) On overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/2 pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 2.
(4) Put an ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE in position in zone 423 and zone 424.

4. Fault Isolation
Subtask 36-14-00-810-061-A ** ON A/C NOT FOR ALL

A. Maintenance Procedure
(1) Do the steps that follow:
(a) Do a detailed visual inspection of open pressure relief door 423BL and 424BR.
1 Make sure that there is no damage to these components:

The latch assembly and its fasteners
The calibrated spring
The attachment assembly
The hinge arm
The door panel
The top arch.

2 If necessary, replace the defective pressure relief door AMM 54-52-11-000-805 and AMM 54-52-11-400-805.
(b) Do the troubleshooting procedure for an air leak in the engine 2 pylon (Ref. TSM TASK 36-22-00-810-845).
(c) After the subsequent flight, make sure that the fault does not continue.

5. Close-up
Subtask 36-14-00-860-066-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Put the aircraft back to its initial configuration.
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Remove the access platform(s).
(4) Remove the warning notice(s).

[Rev.8 from Aug 2018] 2026.04.04 04:34:01 UTC