Detailed Inspection of Pylon, Engine Aft Attachment Beam Mating Face with the Engine Aft Mount Fitting

TASK 54-51-00-200-026-A
Detailed Inspection of Pylon, Engine Aft Attachment Beam Mating Face with the Engine Aft Mount Fitting

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.

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

CAUTION: DO NOT APPLY TEMPORARY PROTECTION SYSTEM (TPS) ON THE INSPECTION AREA. IF YOU APPLY TPS ON THE INSPECTION AREA, YOU CAN CAUSE DAMAGE TO THE AIRCRAFT.

ZONE: 415
ZONE: 425

1. Reason for the Job
Refer to the MPD TASK: 545171-01
DETAILED INSPECTION OF PYLON, ENGINE AFT ATTACHMENT BEAM MATING FACE WITH THE ENGINE AFT MOUNT FITTING
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 3M (10 FT)
No specific	AR	WARNING NOTICE(S)

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
415	LOWER PYLON
425	LOWER PYLON

D. Referenced Information

REFERENCE	DESIGNATION
TASK 51-78-00-916-001-A	Application of Temporary Protection System (TPS)
TASK 71-00-00-000-040-A	Removal of the Power Plant
TASK 71-00-00-000-040-A-01	Removal of the Power Plant with the Engine Positioner TWW 75E
TASK 71-00-00-000-040-A-03	Removal of the Power Plant with Jacxson Tool
TASK 71-00-00-000-042-A	Removal of the Power Plant
TASK 71-00-00-000-042-A-01	Removal of the Power Plant with the Engine Positioner TWW 75E (MIAG)
TASK 71-00-00-000-042-A-03	Removal of the Power Plant with Jacxson Tool
TASK 71-00-00-400-040-A	Installation of the Power Plant
TASK 71-00-00-400-040-A-01	Installation of the Power Plant with the Engine Positioner TWW 75E
TASK 71-00-00-400-040-A-03	Installation of the Power Plant with Jacxson Tool
TASK 71-00-00-400-042-A	Installation of the Power Plant
TASK 71-00-00-400-042-A-01	Installation of the Power Plant with the Engine Positioner TWW 75E (MIAG)
TASK 71-00-00-400-042-A-03	Installation of the Power Plant with Jacxson Tool
TASK 71-00-20-000-040-A	Removal of the Power Plant
TASK 71-00-20-000-040-A-01	Removal of the Power Plant with the Engine Positioner TWW 75E (MIAG)
TASK 71-00-20-400-040-A	Installation of the Power Plant
TASK 71-00-20-400-040-A-01	Installation of the Power Plant with the Engine Positioner TWW 75E (MIAG)
SRM 511100
SRM 512200
Mating Face of the Engine Aft Attachment-Beam ** ON A/C NOT FOR ALL
Mating Face of the Engine Aft Attachment-Beam ** ON A/C NOT FOR ALL
Mating Face of the Engine Aft Attachment-Beam ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 54-51-00-941-076-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.

Subtask 54-51-00-010-070-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Put an ACCESS PLATFORM 3M (10 FT) in position at zone 415 (425).

Subtask 54-51-00-020-060-A ** ON A/C NOT FOR ALL

C. Removal of the Component
(1) Remove the engine (Ref. AMM TASK 71-00-00-000-040).

Subtask 54-51-00-020-060-B ** ON A/C NOT FOR ALL

C. Removal of the Component
(1) Remove the engine (Ref. AMM TASK 71-00-20-000-040).

Subtask 54-51-00-020-060-C ** ON A/C NOT FOR ALL

C. Removal of the Component
(1) Remove the engine (Ref. AMM TASK 71-00-00-000-042).

Subtask 54-51-00-110-077-A ** ON A/C NOT FOR ALL

D. Preparation of the Inspection Area
(1) Make sure that the inspection area is sufficiently clean to do a satisfactory inspection of the area.
(2) If it is not, clean the inspection area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a Textile-Lint free Cotton - (Material No.14SBA1) .
(3) Make sure that there is no Temporary Protection System (TPS) layer and if there is a TPS layer, remove it (Ref. AMM TASK 51-78-00-916-001).

4. Procedure
Subtask 54-51-00-220-074-A ** ON A/C NOT FOR ALL

A. Inspection

Mating Face of the Engine Aft Attachment-Beam ** ON A/C NOT FOR ALL

(1) Do a detailed inspection of the mating face of the engine aft attachment-beam of the pylon with the engine aft mount-fitting.
(2) Make sure that there is no:
(a) Corrosion damage:

If you find corrosion damage, refer to the Structural Repair Manual SRM 512200 for types of corrosion, inspection, removal and corrosion protection.

(b) Other damage (scratches, cracks, gouges, dents, creases):

If you find this type of damage, refer to the Structural Repair Manual SRM 511100 for damage classification and corrective action.

5. Close-up
Subtask 54-51-00-420-061-A ** ON A/C NOT FOR ALL

A. Installation of the Component
(1) Install the engine (Ref. AMM TASK 71-00-00-400-040).

Subtask 54-51-00-420-061-B ** ON A/C NOT FOR ALL

A. Installation of the Component
(1) Install the engine (Ref. AMM TASK 71-00-20-400-040).

Subtask 54-51-00-420-061-C ** ON A/C NOT FOR ALL

A. Installation of the Component
(1) Install the engine (Ref. AMM TASK 71-00-00-400-042).

Subtask 54-51-00-410-076-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 access platform(s).
(3) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 01:59:46 UTC