Inspection/Check of the Accessory Gearbox Assembly [CFMB]

TASK 72-63-00-210-002-A
Inspection/Check of the Accessory Gearbox Assembly

FIN: 1000EM1 ** ON A/C NOT FOR ALL
FIN: 1000EM2 ** ON A/C NOT FOR ALL

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	WARNING NOTICE(S)

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.CP8001)	lockwire 0.032 in. (0.8 mm) dia.
(Material No.CP8002)	lockwire 0.032 in. (0.8 mm) dia

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
FOR [1000EM1] (ENGINE-1)
437AL, 438AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR

D. Referenced Information

REFERENCE	DESIGNATION
TASK 71-13-00-010-040-B	Opening of the Fan Cowl Doors
TASK 71-13-00-410-040-B	Closing of the Fan Cowl Doors
TASK 72-63-00-300-002-A	Replacement of a Sealol Seal (IDG and Starter Drive Pads)
TASK 72-63-00-300-003-A	Replacement of a Magnetic Seal (Fuel Pump and Hydraulic Pump Drive Pads)
TASK 72-63-00-300-004-A	Replacement of a Magnetic Seal (IDG and Starter Drive Pads).
TASK 72-63-00-300-802-A	Replacement of a Sealol Seal (Fuel Pump and Hydraulic Pump Drive Pads)

3. Job Set-up
Subtask 72-63-00-941-057-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 72-63-00-010-064-A ** ON A/C NOT FOR ALL

B. Open the fan cowl doors: (Ref. AMM TASK 71-13-00-010-040)
(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR

4. Procedure
Subtask 72-63-00-210-052-A ** ON A/C NOT FOR ALL

A. Inspection of the AGB external areas.

INSPECT/CHECK	MAXIMUM SERVICEABLE LIMITS	REMARKS
1.Housing for :
A.Cracks	Not serviceable
B.Nicks, dents and scratches	Any number, 0.035 in. (0.9 mm) deep after removal of high metal.
2.Starter pad fuel pump pad, hydraulic pump pad and IDG pad for leaks.	No leakage permitted	Replace the carbon seal (Ref. AMM TASK 72-63-00-300-002) or (Ref. AMM TASK 72-63-00-300-003) or (Ref. AMM TASK 72-63-00-300-004) or (Ref. AMM TASK 72-63-00-300-802)
3.Tube fittings for leaks	No leakage permitted	Tighten the fittings and/or replace the tube seals
4.AGB mounts for :
A.Cracks	Not serviceable
B.Loose bushing	Not serviceable
5.Broken or missing lockwire	Not serviceable	Replace the lockwire CP8001lockwire 0.032 in. (0.8 mm) dia. or CP8002lockwire 0.032 in. (0.8 mm) dia.
6.Key-lock studs for:
A.Missing	Not serviceable

5. Close-up
Subtask 72-63-00-410-060-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 71-13-00-410-040)
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
(3) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 02:43:49 UTC