R (3) Inspect the IP check valve for condition or sticky flappers (Ref. AMM
R TASK 36-11-41-200-001)
R (a) If damage is found:
R - repair as necessary
R (b) If nothing is found, continue the trouble shooting as follows.
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R (4) Do a visual check of the VSV linkage and look for any loose parts at
R VSV actuator bellcrank or rings mechanical corrections.
R (a) If damage is found:
R - repair as necessary
R (b) If nothing is found:
R - replace the HMU (Ref. AMM TASK 73-21-10-000-001) and (Ref. AMM
R TASK 73-21-10-400-001).
R 1 If the fault continues during subsequent flights:_
R - Replace the ECU (4000KS) (Ref. AMM TASK 73-21-60-000-001)
R and (Ref. AMM TASK 73-21-60-400-001).
R a If the fault continue during subsequent flights:_
R - Do a borescope inspection of the HP compressor (Ref. AMM
R TASK 72-31-00-290-001).
R 5. Close-up________
R A. Test.
R (1) If the test made in Para. 3. A. was found within the limits:
R - Do the operational test of the FADEC A and B (with the engine
R motoring) (Ref. AMM TASK 73-29-00-710-040).
R (2) If the test made in Para. 3. A. was not found within the limits:
R - Do the Accel Check (Ref. AMM TASK 71-00-00-710-010).
R (a) If the fault is not confirmed:
R - no maintenance action is required.
R (b) If the fault continues:
R - repeat the fault isolation procedure.
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R TASK 71-00-00-810-812
R Fuel Leak at the Engine 1 Turbine Rear Frame Water Drain
R 1. Possible Causes_______________
R - HMU
R 2. Job Set-up Information______________________
R A. Referenced Information
R -------------------------------------------------------------------------------R REFERENCE DESIGNATION R -------------------------------------------------------------------------------
R AMM 71-00-00-710-001 Dry Motoring Check
R AMM 71-00-00-710-001 Dry Motoring Check
R AMM 71-00-00-710-006 Minimum Idle Check
R AMM 71-00-00-710-006 Minimum Idle Check
R AMM 73-21-10-000-001 Removal of the Hydromechanical Unit (HMU)
R AMM 73-21-10-000-002 Removal of the Hydromechanical Unit (HMU)
R AMM 73-21-10-400-001 Installation of the Hydromechanical Unit (HMU)
R AMM 73-21-10-400-002 Installation of the Hydromechanical Unit (HMU)
R 3. Fault Confirmation__________________
R A. Not applicable.
R 4. Fault Isolation_______________
R A. If the fault symptom is identified by the crew observation fuel leak at
R the Turbine Rear Frame water drain:
R - do the Dry Motoring check (Ref. AMM TASK 71-00-00-710-001) (Ref. AMM
R TASK 71-00-00-710-001).
R - perform a minimum idle check (Ref. AMM TASK 71-00-00-710-006) (Ref. AMM
R TASK 71-00-00-710-006).
R (1) If fuel leak is present, replace the HMU (Ref. AMM TASK 73-21-10-000-
R 001) (Ref. AMM TASK 73-21-10-400-001) (Ref. AMM TASK 73-21-10-000-
R 002) (Ref. AMM TASK 73-21-10-400-002).
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R TASK 71-00-00-810-813
R Fuel Leak at the Engine 2 Turbine Rear Frame Water Drain
R 1. Possible Causes_______________
R - HMU
R 2. Job Set-up Information______________________
R A. Referenced Information
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本文链接地址：A320 Trouble Shooting Manual 排故手册 动力装置 POWER PLANT(6)
