B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
71-13-00-010-040 Opening of the Fan Cowl Doors
71-13-00-410-040 Closing of the Fan Cowl Doors
71-13-13-000-041 Removal of the Fan Cowl Door Latches
R 71-13-13-220-041 Detailed Inspection of the Keeper Assy Fan Cowl R Locking Device 71-13-13-400-041 Installation of the Fan Cowl Door Latches
3. Job Set-up
__________
Subtask 71-13-13-941-051
A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a warning notice to tell persons not to start the engine.
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(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 to tell persons not to energize the FADEC 1(2).
Subtask 71-13-13-010-051
B. Get Access
(1) Open the fan cowl doors: (Ref. TASK 71-13-00-010-040)
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
(2) Put an access platform in position.
4. Procedure
_________
Subtask 71-13-13-220-050
A. Do a Visual Inspection of the Fan Cowl Latches, Fittings and Hinges as follows:
(1) Visual Inspection of the Left Hand Fan Cowl Latches
(a) Examine the fan cowl latches for damage and distortion. If damage is found, replace the damaged part (Ref. TASK 71-13-13-000-041) and (Ref. TASK 71-13-13-400-041).
(b) Visually inspect the fan cowl latches for cracks. If any cracks are found, replace the latch (Ref. TASK 71-13-13-000-041) and (Ref. TASK 71-13-13-400-041).
(c) Examine the fan cowl latches for nicks, scratches, gouges, or excessive wear. If damage or wear is more than 0.01 in. (0.25 mm) in depth, replace the latch (Ref. TASK 71-13-13-000-041) and (Ref. TASK 71-13-13-400-041).
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(d) Examine the fan cowl latches for weak spring. If a weak spring is found, replace the latch (Ref. TASK 71-13-13-000-041) and (Ref. TASK 71-13-13-400-041).
NOTE : A weak handle spring has not effect on the latching
____ mechanism, however it reduces the handle opening angle and its visibility when hanging down.
NOTE : You should use a flashlight and an inspection mirror to
____ examine areas of the fan cowl latches that are hard to see.
(e) Make sure that the fan cowl latches are attached correctly. Tighten or replace the attachment hardware, as necessary (Ref. TASK 71-13-13-000-041) and (Ref. TASK 71-13-13-400-041).
(2) Visual Inspection of the Right Hand Fan Cowl Adjustable Keepers (Ref. TASK 71-13-13-220-041)
(3) Visual Inspection of the Left and Right Hand Fan Cowl Hinges
(a) Visually inspect the fan cowl hinges for cracks. If any cracks are found, replace the hinge.
(b) Make sure that the fan cowl hinges are attached correctly. Tighten or replace the attachment hardware, as necessary.
5. Close-up
________
Subtask 71-13-13-410-051
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close the fan cowl doors: (Ref. TASK 71-13-00-410-040)
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
(3) Remove the access platform(s).
(4) Remove the warning notice(s).
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TASK 71-13-13-220-041
Detailed Inspection of the Keeper Assy Fan Cowl Locking Device
__________________
1. Reason for the Job
2. Job Set-up Information
R Refer to the MPD TASK: 711300-C2 ______________________
A. Fixtures, Tools, Test and Support Equipment
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