.. the pin A/A2 of the RTL SYS 2 relay (13CC2)
.. the pin A/A2 of the RUD TRIM 2 relay (7CC2)
. the pin A/A1 of the RTL SYS 2 relay (13CC2) and the pin B/A of the
RUDDER TRAVEL limitation unit (4CC)
. the pin A/A1 of the RUD TRIM 2 relay (7CC2) and the pin A/T of the
RUDDER TRIM actuator (10CC)
(Ref. ASM 22-67/01).
(1) If the wiring is not correct:
- repair it.
(2) If the wiring is correct:
- replace the RTL SYS 2 - RELAY (13CC2) and the RUD TRIM 2 - RELAY (7CC2)
(3) If the fault continues:
- replace the ACTUATOR-RUDDER TRIM (10CC) (Ref. AMM TASK 27-22-51-000-001) and (Ref. AMM TASK 27-22-51-400-001).
(4) If the fault continues:
- replace the LIMITATION UNIT-RUDDER TRAVEL (4CC) (Ref. AMM TASK 27-23-51-000-001) and (Ref. AMM TASK 27-23-51-400-001).
(5) If the fault continues:
- replace the FAC-2 (1CC2) (Ref. AMM TASK 22-66-34-000-002) and (Ref. AMM TASK 22-66-34-400-002).
(6) If the fault continues:
- do a check of the integrity of the SERVO ACTR-YAW DAMPER, 2 (3CC2) and FAC-2 (1CC2) by the following trouble shooting procedure (Ref. TASK 22-63-00-810-802).
NOTE : Disregard the maintenance message.
____
C. Do the Operational Test of the AFS (Ref. AMM TASK 22-96-00-710-001).
Wrong speed computation
1. Possible Causes
_______________
- Angle of attack value is different on the three ADIRUs
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
34-11-00-810-861 Different Angle of Attack Value on the three ADIRUs
3. Fault Confirmation
__________________
A. Test
(1) Not applicable.
4. Fault Isolation
_______________
A. If speed computation is incorrect:
- if the Angle of attack value is different on the three ADIRUs, do the trouble shooting procedure (Ref. TASK 34-11-00-810-861).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞22-66-00∞∞∞∞∞∞∞∞∞∞Page A227
May 01/04R
CES
R **ON A/C 151-199, 301-399, 401-499,
TASK 22-66-00-810-894
1. Possible Causes
Loss of YD, RT and RTL functions (one of the two sides or the two sides) _______________
2. Job Set-up Information______________________ Not Applicable
3. Fault Confirmation__________________
A. Test
Not applicable.
4. Fault Isolation_______________
A. OPERATIONAL MESSAGE - NO FURTHER ACTION REQUIRED.
TASK 22-66-00-810-895
1. Possible Causes
Wrong ELACs failure during Ground Scanning test without hydraulics _______________
2. Job Set-up Information______________________ Not Applicable
3. Fault Confirmation__________________
A. Not applicable.
4. Fault Isolation_______________
A. No further action required.
FLIGHT CONTROL UNIT (FCU) - FAULT ISOLATION PROCEDURES
______________________________________________________ TASK 22-81-00-810-801 Failure of the FCU
1. Possible Causes
_______________
- FCU (2CA)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 22-81-12-000-001 Removal of the FCU (2CA) AMM 22-81-12-400-001 Installation of the FCU (2CA) AMM 22-91-00-710-001 Ground Scanning of the AFS
3. Fault Confirmation
__________________
A. Test
(1) Do the Ground Scanning of the AFS (Ref. AMM TASK 22-91-00-710-001).
4. Fault Isolation
_______________
A. If the test gives the maintenance message AFS: FCU:
- replace the FCU (2CA) (Ref. AMM TASK 22-81-12-000-001) and (Ref. AMM TASK 22-81-12-400-001).
FCU 1 Inoperative
1. Possible Causes
_______________
- FCU (2CA)
- wiring of the FMGC 1 A bus from the FCU (2CA) to the first terminal block
- wiring of the FCU OWN A bus from the FMGC 1 (1CA1) to the first terminal block
- wiring of the FCU OWN B bus from the FMGC 1 (1CA1) to the first terminal block 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320 Trouble Shooting Manual 排故手册 AUTO FLIGHT 自动飞行2(42)
