Reactivation of the TRAS Track Lock Pin Access Panel [PW11]

TASK 78-32-00-440-811-A
Reactivation of the TRAS Track Lock Pin Access Panel

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.

WARNING: WEAR APPLICABLE PERSONAL PROTECTIVE EQUIPMENT (PPE) WHEN YOU DO THIS TASK. BEFORE YOU USE PPE, READ, UNDERSTAND AND OBEY ALL INSTRUCTIONS FOR ITS USE. THESE INSTRUCTIONS INCLUDE INSTRUCTIONS FROM THE MANUFACTURER, YOUR EMPLOYER AND GOVERNMENT REGULATIONS. YOU CAN GET INJURED IF YOU DO NOT USE PPE. GET INSTRUCTIONS FROM YOUR EMPLOYER ON WHICH PPE IS NECESSARY.

1. Reason for the Job
CDL 78-27
Tertiary Lock Pin Cover on Latch Beam
To remove the high speed tape and install the TRAS track lock pin access panel.
2. Job Set-up Information
A. Consumable Materials

REFERENCE	DESIGNATION
(Material No.PU1-0001)	lint-free cotton cloth
(Material No.PU2-0001)	alcohol, isopropyl

B. Referenced Information

REFERENCE	DESIGNATION
TASK 71-00-00-860-833-A	Procedure to Prevent Engine Motoring
TASK 78-30-00-040-805-A	Deactivation of the Thrust Reverser System for Ground Maintenance
TASK 78-30-00-440-805-A	Reactivation of the Thrust Reverser System after Ground Maintenance
TASK 78-32-37-400-801-A	Installation of the TRAS Track Lock Pin Access Panel
TRAS Track Lock Pin Access Panel

3. Job Set-up
Subtask 78-32-00-941-125-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) Do the procedure to prevent engine motoring
(Ref. AMM TASK 71-00-00-860-833)

Subtask 78-32-00-040-131-A ** ON A/C NOT FOR ALL

B. Deactivation of the Thrust Reverser for Maintenance

WARNING: YOU MUST DEACTIVATE THE THRUST REVERSER BEFORE YOU DO WORK ON OR AROUND IT. IF YOU DO NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE AN INJURY AND/OR DAMAGE.

(1) Do the deactivation of the thrust reverser system for maintenance (Ref. AMM TASK 78-30-00-040-805).

4. Procedure

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

CAUTION: WIPE CLEAN ALL PARTS AND TOOLS AS NECESSARY TO REMOVE UNWANTED DEBRIS AND PREVENT DAMAGE TO THE ENGINE.

Subtask 78-32-00-440-122-A ** ON A/C NOT FOR ALL

A. Reactivation of the TRAS track lock pin access panel.

NOTE: This procedure is for the TRAS track lock pin access panel on the left thrust reverser half. The procedure for the TRAS track lock pin access panel on the right thrust reverser half is opposite.

(1) Carefully, remove the high speed tape from the latch beam.
(2) Clean the mating surfaces with a clean, lint-free cotton cloth (Material No.PU1-0001) and PU2-0001alcohol, isopropyl. Remove the PU2-0001alcohol, isopropyl with a clean lint-free cotton cloth (Material No.PU1-0001) before it dries.
(3) Do an inspection of the mating and adjacent surfaces on the latch beam. Make sure that the mating surfaces and surface finishes are in the correct condition.
(4) Install the new TRAS track lock pin access panel on the latch beam (Ref. AMM TASK 78-32-37-400-801).

5. Close-up
Subtask 78-32-00-440-123-A ** ON A/C NOT FOR ALL

A. Do the reactivation of the thrust reverser system after maintenance (Ref. AMM TASK 78-30-00-440-805).

Subtask 78-32-00-410-195-A ** ON A/C NOT FOR ALL

B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 03:32:04 UTC