Maintenance
 78-36-00-010-040 Opening of the Thrust Reverser Doors
 78-36-00-410-040 Closing of the Thrust Reverser Doors
 73-21-20-991-300 Fig. 401

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__________
 Subtask 73-21-20-860-051
 A. Aircraft Maintenance Configuration
 (1) On the center pedestal, on the ENG panel 115VU, make sure that a warning notice 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 is in position to tell persons not to energize the FADEC 1(2).

 Subtask 73-21-20-010-059
 B. Get Access
 (1) Make sure that the fan cowl doors are open: (Ref. TASK 71-13-00-010-040) FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR

 (2) Make sure that the right thrust reverser door is open: (Ref. TASK 78-36-00-010-040) FOR 1000EM1 452AR FOR 1000EM2 462AR

 Subtask 73-21-20-040-053
 C. Make sure that the thrust reverser is unserviceable (Ref. TASK 78-30-00-481-041).
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 4. Procedure
_________
 (Ref. Fig. 401/TASK 73-21-20-991-300)
 Subtask 73-21-20-420-052

 A. Install the T25 sensor:
 (1) Remove the blanking cap from electrical connector and blanking plug from sensor housing.

 (2) Install T25 sensor into port in fan frame. Make sure that centering pin (30) engages correctly its recess.

 (3) Apply a thin layer of graphite grease (Material No. CP2101) to the threads of 4 bolts (10). Attach the T25 sensor (20) with the 4 bolts. TORQUE the bolts to between 96 and 114 lbf.in (1.08 and 1.28 m.daN).

 (4) Reconnect the 2 harness connectors on the sensor.
 Subtask 73-21-20-410-055

 B. Install the fan duct panel as follows:
 (1) Apply a thin layer of graphite grease (Material No. CP2101) to the threads of 4 bolts.

 (2) Set and attach the fan duct panel with the 4 bolts.

 (3) TORQUE the 4 bolts to between 85 and 92 lbf.in (0.96 and 1.03 m.daN). Subtask 73-21-20-410-056

 C. Close Access
 (1) Make sure that the work area is clean and clear of tool(s) and other items.

 (2) Close the right thrust reverser door: (Ref. TASK 78-36-00-410-040) FOR 1000EM1 452AR FOR 1000EM2 462AR

 (3) Remove the warning notice(s).

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 D. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041). Subtask 73-21-20-710-052
 E. Do a FADEC ground test (with engine non motoring) (Ref. TASK 73-29-00-710-040)
 5. Close-up
________ Subtask 73-21-20-410-057
 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

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 T25 TEMPERATURE SENSOR - INSPECTION/CHECK
_________________________________________ TASK 73-21-20-210-002 Inspection of the T25 Temperature Sensor
 1. Reason for the Job

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 Self Explanatory

 2. Job Set-up Information

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 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notice
 No specific access platform 1 m (3 ft. 3 in.)

 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
　
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