Installation of the Air Starter/Blow Out Door (438BR) [IAE]

TASK 71-13-17-400-010-A
Installation of the Air Starter/Blow Out Door (438BR)

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

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)
No specific	Torque wrench: range to between 13.2 and 10.8 lbf.in (0.15 and 0.12 m.daN )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.V01-076)	Methyl Ethyl Ketone, Technical grade
(Material No.V04-005)	jointing compound
(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. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
8	SPLIT PIN	AIPC 71-13-17-80-010

E. Referenced Information

REFERENCE	DESIGNATION
TASK 70-23-11-911-013-A	General Torque Tightening Techniques
TASK 71-13-00-010-010-A	Opening of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 71-13-00-220-801-A	Functional Check of Pressure Relief Door Latch Assembly
TASK 71-13-00-410-010-A	Closing of the Fan Cowls 437AL(447AL),438AR(448AR)
Air Starter/Blow Out Door

3. Job Set-up
Subtask 71-13-17-860-050-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) On the center pedestal, on the ENG panel 115VU, make sure that a WARNING NOTICE(S) is in position to tell persons not to start the engine.
(2) On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off. Make sure that a WARNING NOTICE(S) is in position to tell persons not to energize the FADEC 1(2).

Subtask 71-13-17-010-051-A ** ON A/C NOT FOR ALL

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

Subtask 71-13-17-110-050-A ** ON A/C NOT FOR ALL

C. Removal of the jointing compound

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

(1) Remove the jointing compound.

Air Starter/Blow Out Door ** ON A/C NOT FOR ALL

(a) Use a clean Textile-Lint free Cotton - (Material No.14SBA1) , made moist with V01-076Methyl Ethyl Ketone, Technical grade , to remove the used jointing compound from:
1 The latches (2).
2 The screws (4).
(b) Use a clean Textile-Lint free Cotton - (Material No.14SBA1) to make the above items dry.

Subtask 71-13-17-210-050-A ** ON A/C NOT FOR ALL

D. Make sure the latches (2) have no damage.

Air Starter/Blow Out Door ** ON A/C NOT FOR ALL

4. Procedure
Subtask 71-13-17-420-050-A ** ON A/C NOT FOR ALL

A. Installation of the air starter/blow out door
(1) Install the parts to the replacement air starter/blow out door.
(a) Apply the jointing compound (Material No.V04-005) to the mating of the latches (2).
(b) Apply the V04-005 jointing compound (Ref. 70-30-00) below the screw heads (4) and assemble while still wet.
(c) Put the latches on to the replacement door (1) and attach with the washers (3) and the nuts (5).
(d) TORQUE the nuts (5) to between 13.2 and 10.8 lbf.in (0.15 and 0.12 m.daN )

(Ref. AMM TASK 70-23-11-911-013)
(e) Wipe off the unwanted jointing compound with a clean Textile-Lint free Cotton - (Material No.14SBA1) .
(2) Install the air starter/blow out door (1).
(a) Put the door in its opening in the fan cowl and install the hinge pins (6).
(b) Put the collars (7) on the hinge pins and safety with the new AIPC 71-13-17-80-010 SPLIT PIN (8).
(c) Close the door and lock the latches.

Subtask 71-13-17-220-050-A ** ON A/C NOT FOR ALL

B. Make a check of the clearance around the air starter/blow out door.
(1) Make sure the door is closed.
(2) Measure the clearance around the edges of the door and its opening in the fan cowl.
(3) If the clearance is not between 0.055 in. (1.40 mm) and 0.110 in. (2.80 mm), reject the door.

Subtask 71-13-17-410-050-A ** ON A/C NOT FOR ALL

C. 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.

Subtask 71-13-17-710-050-A ** ON A/C NOT FOR ALL

D. Do a test of the air starter/blow out door (Ref. AMM TASK 71-13-00-220-801)

5. Close-up
Subtask 71-13-17-942-050-A ** ON A/C NOT FOR ALL

A. Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 02:30:00 UTC