Loss of the Yaw Damper Change-Over between the FAC 2 and the FAC 1
1. Possible Causes
_______________
- FAC-1 (1CC1)
- wiring of the YAW OPP ENGD COM and YAW OPP ENGD MON discretes (from the FAC 1 (1CC1) to the first terminal block)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 22-60-00-710-002 Operational Test of the Automatic Change-Over
Function
AMM 22-66-34-000-002 Removal of the FAC (1CC1,1CC2)
AMM 22-66-34-400-002 Installation of the FAC (1CC1,1CC2)
AMM 22-96-00-710-001 Operational Test of the AFS
ASM 22-68/04
3. Fault Confirmation
__________________
A. Test
(1) Do the operational test of the AFS (Ref. AMM TASK 22-96-00-710-001) and read the result for the FAC 1.
4. Fault Isolation
_______________
A. If the test gives the maintenance message AFS: FAC 1/YD ENGD CHG-OV:
- replace the FAC-1 (1CC1), (Ref. AMM TASK 22-66-34-000-002) and (Ref. AMM TASK 22-66-34-400-002).
(1) If the fault continues:
- do a check and repair the wiring of the YAW OPP ENGD COM and YAW OPP ENGD MON discretes (from the FAC 1 (1CC1) to the first terminal block), (Ref. ASM 22-68/04).
B. Do the operational test of the automatic change-over function (Ref. AMM TASK 22-60-00-710-002).
「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 223
Feb 01/98 CES Loss of the Yaw Damper Change-Over between the FAC 1 and the FAC 2
1. Possible Causes
_______________
- FAC-2 (1CC2)
- wiring of the YAW OPP ENGD COM and YAW OPP ENGD MON discretes (from the FAC 2 (1CC2) to the first terminal block)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 22-60-00-710-002 Operational Test of the Automatic Change-Over
Function
AMM 22-66-34-000-002 Removal of the FAC (1CC1,1CC2)
AMM 22-66-34-400-002 Installation of the FAC (1CC1,1CC2)
AMM 22-96-00-710-001 Operational Test of the AFS
ASM 22-68/04
3. Fault Confirmation
__________________
A. Test
(1) Do the operational test of the AFS (Ref. AMM TASK 22-96-00-710-001) and read the result for the FAC 2.
4. Fault Isolation
_______________
A. If the test gives the maintenance message AFS: FAC 2/YD ENGD CHG-OV:
- replace the FAC-2 (1CC2), (Ref. AMM TASK 22-66-34-000-002) and (Ref. AMM TASK 22-66-34-400-002).
(1) If the fault continues:
- do a check and repair the wiring of the YAW OPP ENGD COM and YAW OPP ENGD MON discretes (from the FAC 2 (1CC2) to the first terminal block), (Ref. ASM 22-68/04).
B. Do the operational test of the automatic change-over function (Ref. AMM TASK 22-60-00-710-002).
「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 224
Feb 01/98 CES Loss of the Reception of the AP 1 ENGD Discrete Signal by the FAC 1
1. Possible Causes
_______________
- FAC-1 (1CC1)
- wiring of the AP OWN ENGD COM and AP OWN ENGD MON discretes (from the FAC 1 (1CC1) to the first terminal block)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 22-66-34-000-002 Removal of the FAC (1CC1,1CC2)
AMM 22-66-34-400-002 Installation of the FAC (1CC1,1CC2)
AMM 22-96-00-710-001 Operational Test of the AFS
ASM 22-85/03
3. Fault Confirmation
__________________
A. Test
(1) Do the operational test of the AFS (Ref. AMM TASK 22-96-00-710-001) and read the result for the FAC 1.
4. Fault Isolation
_______________
A. If the test gives the maintenance message AFS: FAC1/AP1 ENGD WIRING:
- replace the FAC-1 (1CC1), (Ref. AMM TASK 22-66-34-000-002) and (Ref. AMM TASK 22-66-34-400-002).
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