Visual Inspection of the Manual Control Cover without Special Equipment [CFML]

TASK 72-63-03-210-801-A
Visual Inspection of the Manual Control Cover without Special Equipment

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE PARTS AFTER THE ENGINE SHUTDOWN. USE APPLICABLE THERMAL GLOVES. THE ENGINE PARTS CAN STAY HOT FOR ONE HOUR AFTER SHUTDOWN AND CAN BURN YOU.

ZONE: 210
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	AR	WARNING NOTICE(S)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
210	CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD
400	POWER PLANT, NACELLES AND PYLONS
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL, 438AR
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL, 448AR

C. Referenced Information

REFERENCE	DESIGNATION
TASK 71-13-00-010-803-A	Opening of the Fan Cowl Doors
TASK 71-13-00-410-803-A	Closing of the Fan Cowl Doors
TASK 72-63-03-100-801-A	Cleaning of the Manual-Control Cover of the Accessory Gearbox (AGB)
Manual Control Cover

3. Job Set-up
Subtask 72-63-03-941-052-A

A. Safety Precautions
(1) On the center pedestal, on ENG panel 115VU:
(a) Make sure that the ENG/MODE selector switch is in the NORM position.
(b) Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than five minutes before you do this procedure.
(c) Put a WARNING NOTICE(S) in position to tell persons not to operate:

The ENG/MODE selector switch
The ENG/MASTER 1(2) control switch.

(2) On the ENG section of maintenance panel 50VU:
(a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).

Subtask 72-63-03-010-052-A

B. Get Access
(1) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-803):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL 448AR

4. Procedure
Subtask 72-63-03-210-050-A

A. Visual Inspection of the Manual Control Cover

Manual Control Cover

(1) Make sure that the manual control cover (1) to be examined is clean (Ref. AMM TASK 72-63-03-100-801).
(2) Do a visual inspection of the external surfaces of all the removed components and other areas of the engine that are seen after the removal of the components. Refer to the table below for the inspection criteria.

Examine	Maximum Serviceable Limits	Remarks
1.Examine all the areas of the manual control cover (1) that are seen for: See the figure Manual Control Cover
A.Cracks	Not serviceable
B.Corrosion	Not serviceable
C.Missing surface protection for non - machined surfaces	Any amount, five percent of inside or outside protection
D.Missing surface protection on all other areas	Not serviceable
2.Examine the seal groove for:
A.Scratches, nicks, dents and scores	Not serviceable
3.Examine all other areas that are seen for:
A.Scratches, nicks, dents and scores	Not serviceable	See repair (Ref. AMM D/O 72-63-03-35)

5. Close-up
Subtask 72-63-03-410-051-A

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 71-13-00-410-803):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL 448AR
(3) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 02:54:52 UTC