Detailed Inspection of the Fan Cowl Doors [IAE]

TASK 71-13-00-200-010-A
Detailed Inspection of the Fan Cowl Doors

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

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 2M (6 FT) - ADJUSTABLE
No specific	AR	LIGHT SOURCE - INSPECTION
No specific	AR	MIRROR - INSPECTION
No specific	AR	WARNING NOTICE(S)

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.V01-002)	cleaning fluid
(Material No.14SBA1)	Textile-Lint free Cotton -

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 71-13-00-010-010-A	Opening of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 71-13-00-200-011-A	Visually Examine the Fan Cowls - Allowable Damage Data
TASK 71-13-00-410-010-A	Closing of the Fan Cowls 437AL(447AL),438AR(448AR)
Fan Cowl Doors

3. Job Set-up
Subtask 71-13-00-941-057-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 71-13-00-010-058-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Open the fan cowls (Ref. AMM TASK 71-13-00-010-010):
(2) FOR [1000EM1] (ENGINE-1)
437AL 438AR.
(3) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
(4) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.

Subtask 71-13-00-110-051-A ** ON A/C NOT FOR ALL

C. Clean the fan cowls

Fan Cowl Doors ** ON A/C NOT FOR ALL

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

(1) Use a clean Textile-Lint free Cotton - (Material No.14SBA1) made moist with cleaning fluid (Material No.V01-002) , to clean the fan cowls.
(2) Dry the fan cowls with a clean Textile-Lint free Cotton - (Material No.14SBA1) .

4. Procedure
Subtask 71-13-00-210-053-A ** ON A/C NOT FOR ALL

A. Visually examine the fan cowls

Fan Cowl Doors ** ON A/C NOT FOR ALL

(1) Use the LIGHT SOURCE - INSPECTION and the MIRROR - INSPECTION and make sure that these parts are serviceable:
(a) The hold-open rod and its attachments.
(b) The latch assembly on the pressure relief door.
(c) The fan cowl latches and hinges.
(d) The cowl alignment features.
(2) If one or more than one of the above parts are unserviceable, reject them.
(3) Use the LIGHT SOURCE - INSPECTION and the MIRROR - INSPECTION and inspect these parts for damage:
(a) The external surface of the fan cowl.
(b) The internal surface of the fan cowl.
(c) The seals of the fan cowl.
(4) If one or more of these parts are damaged, (Ref. AMM TASK 71-13-00-200-011) for allowable damage data.
(5) Use the LIGHT SOURCE - INSPECTION and the MIRROR - INSPECTION to examine the general condition of the cowl.
(a) If cracks are found, reject it.
(b) If dents are found, reject it.
(c) Make sure that the cowl alignment features are correct. If they are not, reject it.
(d) If any other damage is found, (Ref. AMM TASK 71-13-00-200-011) for allowable damage data.

5. Close-up
Subtask 71-13-00-410-060-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 cowls (Ref. AMM TASK 71-13-00-410-010):
(3) FOR [1000EM1] (ENGINE-1)
437AL 438AR.
(4) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
(5) Remove the access platform(s).
(6) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 02:29:17 UTC