Removal of the Upper Rear Fairing [CFMB]
TASK 78-32-42-000-002-A
Removal of the Upper Rear Fairing
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 78-32-42-941-052-A ** ON A/C NOT FOR ALL
Subtask 78-32-42-020-051-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 03:26:16 UTC
Removal of the Upper Rear Fairing
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 | ACCESS PLATFORM 1M(3 FT) |
| No specific | AR | SCRAPER - PLASTIC |
| No specific | AR | WARNING NOTICE(S) |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.CP1039) | acetone |
| (Material No.CP1041) | isopropyl alcohol |
| (Material No.CP2011) | stoddard solvent |
| (Material No.CP2559) | ardrox 552 |
| (Material No.CP2560) | turco ind 79 |
| (Material No.CP2566) | mag-chem teksol |
| (Material No.CP2584) | degreasol 99 R |
| (Material No.CP2656) | mag-chem skysol |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [1000EM1] (ENGINE-1) | |
| 437AL, 438AR | |
| FOR [1000EM2] (ENGINE-2) | |
| 447AL, 448AR | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 71-13-00-010-040-B | Opening of the Fan Cowl Doors |
| TASK 78-30-00-481-041-B | Make the Thrust Reverser Unserviceable for Maintenance |
Subtask 78-32-42-941-052-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
Subtask 78-32-42-010-056-A ** ON A/C NOT FOR ALL (1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
B. Close Access
(1) Open the fan cowl doors: (Ref. AMM TASK 71-13-00-010-040)
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
(2) Put the ACCESS PLATFORM 1M(3 FT) in position.
Subtask 78-32-42-040-053-A ** ON A/C NOT FOR ALL 4. Procedure(1) Open the fan cowl doors: (Ref. AMM TASK 71-13-00-010-040)
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
(2) Put the ACCESS PLATFORM 1M(3 FT) in position.
Subtask 78-32-42-020-051-A ** ON A/C NOT FOR ALL
A. Removal of the Upper Rear Fairing
(1) Remove the sealant around the upper rear fairing with a SCRAPER - PLASTIC.
(2) Remove the nuts and screws which attach the upper rear fairing.
(3) Remove the fairing from the pylon.
(4) Remove the sealant from the upper rear fairing and the hinge access panel bracket with a plastic scraper.
(5) Cleaning of remaining sealant.
(b) Clean remaining sealant from the upper rear fairing and the hinge access panel bracket with acetone (Material No.CP1039) or isopropyl alcohol (Material No.CP1041) .
(6) Dry the surfaces with a cloth before the solvent evaporates.
(1) Remove the sealant around the upper rear fairing with a SCRAPER - PLASTIC.
(2) Remove the nuts and screws which attach the upper rear fairing.
(3) Remove the fairing from the pylon.
(4) Remove the sealant from the upper rear fairing and the hinge access panel bracket with a plastic scraper.
(5) Cleaning of remaining sealant.
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
(a) Clean remaining sealant from the pylon surfaces with acetone (Material No.CP1039) or stoddard solvent (Material No.CP2011) or ardrox 552 (Material No.CP2559) or turco ind 79 (Material No.CP2560) or mag-chem teksol (Material No.CP2566) or degreasol 99 R (Material No.CP2584) or mag-chem skysol (Material No.CP2656) or isopropyl alcohol (Material No.CP1041) . (b) Clean remaining sealant from the upper rear fairing and the hinge access panel bracket with acetone (Material No.CP1039) or isopropyl alcohol (Material No.CP1041) .
(6) Dry the surfaces with a cloth before the solvent evaporates.
Upper Rear Fairing