Repair of the Fan Cowl Door Retroreflective Tape [PW11]

TASK 71-13-00-300-802-A
Repair of the Fan Cowl Door Retroreflective Tape

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.

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

ZONE: 400

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific	1	SCRAPER - NON METALLIC

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.PU1-0001)	cloth
(Material No.PU1-0003)	abrasive paper, 220-Grit
(Material No.PU2-0001)	alcohol, isopropyl

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
400	POWER PLANT, NACELLES AND PYLONS
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
1	REFLECTV	AIPC 11-24-86-55-060

E. Referenced Information

REFERENCE	DESIGNATION
TASK 71-00-00-860-833-A	Procedure to Prevent Engine Motoring
TASK 71-13-00-010-802-A	Opening of the Fan Cowl Doors
TASK 71-13-00-410-802-A	Closing of the Fan Cowl Doors
Fan Cowl Door Retroreflective Tape

3. Job Set-up
Subtask 71-13-00-941-090-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 71-13-00-010-110-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR.
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR.
(2) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.

4. Procedure

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

CAUTION: CUT ONLY THE TAPE. BE CAREFUL NOT TO CAUSE DAMAGE TO THE FAN COWL STRUCTURE.

CAUTION: BE CAREFUL NOT TO CAUSE DAMAGE TO THE SURFACE PAINT ON THE FAN COWL DOOR.

Subtask 71-13-00-350-052-A ** ON A/C NOT FOR ALL

A. Repair of the Fan Cowl Door Retroreflective Tape
(1) Carefully, cut the damaged retroreflective tape section that you want to replace.
(a) Remove the damaged retroreflective tape section with the SCRAPER - NON METALLIC.
(2) Remove the remaining adhesive with the clean cloth (Material No.PU1-0001) and the PU2-0001alcohol, isopropyl.
(a) Remove the PU2-0001alcohol, isopropyl with the clean cloth (Material No.PU1-0001) before it becomes dry.
1 Make sure that you do not damage the remaining retroreflective tape on the fan cowl door.
(3) Make the surface of the repair area on the fan cowl door rough with the PU1-0003abrasive paper, 220-Grit.
(4) Clean the repair area of the fan cowl door with the clean cloth (Material No.PU1-0001) and the PU2-0001alcohol, isopropyl.
(a) Remove the PU2-0001alcohol, isopropyl with the clean cloth (Material No.PU1-0001) before it becomes dry.
(5) Cut a piece of the new AIPC 11-24-86-55-060 REFLECTV (1) the same length as the one that you removed.
(6) Install the new retroreflective tape (1) on the repair surface.
(a) Apply sufficient pressure with your hand.
(b) Make sure that the retroreflective tape (1) fully bonds to the fan cowl door.

Subtask 71-13-00-350-053-A ** ON A/C NOT FOR ALL

B. Replacement of the Fan Cowl Door Retroreflective Tape
(1) Carefully, remove the damaged retroreflective tape with the SCRAPER - NON METALLIC.
(2) Remove the remaining adhesive with the clean cloth (Material No.PU1-0001) and the PU2-0001alcohol, isopropyl.
(a) Remove the PU2-0001alcohol, isopropyl with the clean cloth (Material No.PU1-0001) before it becomes dry.
(3) Make the mating surface of the fan cowl door rough with the PU1-0003abrasive paper, 220-Grit.
(4) Clean the mating surface of the fan cowl door with the clean cloth (Material No.PU1-0001) and the PU2-0001alcohol, isopropyl.
(a) Remove the PU2-0001alcohol, isopropyl with the clean cloth (Material No.PU1-0001) before it becomes dry.
(5) Install the new AIPC 11-24-86-55-060 REFLECTV (1) on the fan cowl door.
(a) Apply sufficient pressure with your hand.
(b) Make sure that the retroreflective tape (1) fully bonds to the fan cowl door.

5. Close-up
Subtask 71-13-00-410-106-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR.
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR.
(3) Remove the access platform(s).
(4) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 12:57:27 UTC