Functional Check of Fan Cowl Latch Tension [CFMI]

TASK 71-13-00-800-042-A
Functional Check of Fan Cowl Latch Tension

1. Reason for the Job
Refer to the MPD TASK: 711300-C1
FUNCTIONAL CHECK OF FAN COWL LATCH TENSION

NOTE: VSB RA32071-163 (equivalent to Airbus service bulletin SB 71-1068)
Introduction of a lockable latch in the forward position (position 1 fwd latch)that must be opened and closed and locked with a key and flag assembly. The key and flag assembly are stowed in the cockpit and must not be used if there is damage to the key or flag.

2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	GAGE - PUSH-PULL
No specific	AR	WARNING NOTICE(S)

B. Referenced Information

REFERENCE	DESIGNATION
TASK 71-13-00-800-040-A	Adjustment of the Fan Cowl Doors
Fan Cowl - Adjustment

3. Job Set-up
Subtask 71-13-00-941-050-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).

4. Procedure
Subtask 71-13-00-820-050-B ** ON A/C NOT FOR ALL

A. Check of the Fan Cowl Latches Tension

Fan Cowl - Adjustment ** ON A/C NOT FOR ALL

ACTION	RESULT
Use the GAGE - PUSH-PULL at the end of the latch handles and measure the force necessary to close each of the latches.	The force necessary to close each of the latches must be between 30 lb (13.6 kg) and 40 lb (18.1 kg). If the force is not in the limits given, adjustment is necessary (Ref. AMM TASK 71-13-00-800-040).

5. Close-up
Subtask 71-13-00-942-050-A ** ON A/C NOT FOR ALL

A. Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 02:22:12 UTC