5. Close-up
________ Subtask 72-00-00-410-077
A. Close Access
500hrs/500cyc
Replace studs
Replace studs
100 cycles
10 cycles
3 cycles or 30hours
10 cycles providedseal drain line is disconnected and drain cavity is capped
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close the thrust reverser doors (Ref. TASK 78-36-00-410-040): FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR
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B. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041). Subtask 72-00-00-410-082
C. Close Access
(1) Close the fan cowl doors (Ref. TASK 71-13-00-410-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
(2) Remove the warning notice(s).
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TASK 72-00-00-200-025- 01
Over-Serviceable-Limit Extensions
1. Reason for the Job
__________________
This TASK is applicable to /P engines. It can occur that specific defects do not agree with the "Maximum Serviceable Limits", and that the maintenance facilities, at a given location, are not sufficient to do the necessary corrective actions. In these circumstances, limit extensions will permit to send the engine where correction is possible, or to schedule the necessary maintenance in the extension period.
NOTE : The limit extensions are one-time extensions only. Applicable
____ hardware action is necessary at the completion of the extended serviceable period.
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notice
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 72-21-00-210-006 Inspect Fan Rotor Blades Removed from the Fan Disk. 72-21-00-210-009 Inspect Fan Rotor Blades Installed on the Fan Disk 72-23-00-210-003 Detailed Inspection of Engine Inlet, Fan Blades, Fan
Outlet and Abradable Material
78-30-00-081-041 Make the Thrust Reverser Serviceable after
Maintenance
78-30-00-481-041 Make the Thrust Reverser Unserviceable for
Maintenance
78-36-00-010-040 Opening of the Thrust Reverser Doors
78-36-00-410-040 Closing of the Thrust Reverser Doors
79-00-00-210-003 Visual Inspection of the Oil System
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-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R R R R 72-00-00-991-308 72-00-00-991-309 72-00-00-991-321 72-00-00-991-320 Fig. 606 Fig. 607 Fig. 608 Fig. 609
3. Job Set-up__________
Subtask 72-00-00-941-105
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.
(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.
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