MCDU 2 Inoperative
1. Possible Causes
_______________
- MCDU-2 (3CA2)
- wiring of the MCDU TRANSMITTER bus from the MCDU 2 (3CA2) to the first terminal block
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 22-82-12-000-001 Removal of the MCDU (3CA1,3CA2,3CA3)
AMM 22-82-12-400-002 Installation of the MCDU (3CA1,3CA2,3CA3)
AMM 22-91-00-710-001 Ground Scanning of the AFS
ASM 22-86/04
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 : MCDU 2:
- replace the MCDU-2 (3CA2), (Ref. AMM TASK 22-82-12-000-001) and (Ref. AMM TASK 22-82-12-400-002).
(1) If the fault continues:
- do a check and repair the wiring of the MCDU TRANSMITTER bus from the MCDU 2 (3CA2) to the first terminal block, (Ref. ASM 22-86/04).
B. Do the test given in Para. 3.
Loss of the Reception of the MCDU 2 TRANSMITTER Bus by one FMGC
1. Possible Causes
_______________
- FMGC-1 (1CA1)
- FMGC-2 (1CA2)
- wiring of the MCDU OWN IN bus (from the FMGC 1 (1CA1) to the first
terminal block)
- wiring of the MCDU IN OUT bus (from the FMGC 2 (1CA2) to the first
terminal block)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 22-83-34-000-001 Removal of the FMGC (1CA1,1CA2)
AMM 22-83-34-400-001 Installation of the FMGC (1CA1,1CA2)
AMM 22-91-00-710-001 Ground Scanning of the AFS
ASM 22-86/04
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: MCDU2 (ISSUED BY: FM1):
- replace the FMGC-1 (1CA1), (Ref. AMM TASK 22-83-34-000-001) and (Ref. AMM TASK 22-83-34-400-001).
(1) If the fault continues:
- do a check and repair the wiring of the MCDU OWN IN bus (from the FMGC 1 (1CA1) to the first terminal block), (Ref. ASM 22-86/04).
B. If the test gives the maintenance message AFS: MCDU2 (ISSUED BY: FM2):
- replace the FMGC-2 (1CA2), (Ref. AMM TASK 22-83-34-000-001) and (Ref. AMM TASK 22-83-34-400-001).
(1) If the fault continues:
- do a check and repair the wiring of the MCDU IN OUT bus (from the FMGC 2 (1CA2) to the first terminal block), (Ref. ASM 22-86/04).
C. Do the test given in Para. 3.
「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 ∞∞22-82-00∞∞∞∞∞∞∞∞∞∞Page 210
Feb 01/98 CES Loss of the MCDU 1 FAIL Discrete
1. Possible Causes
_______________
- FMGC-1 (1CA1)
- FMGC-2 (1CA2)
- MCDU-1 (3CA1)
- wiring of the MCDU OWN FAIL discrete from the FMGC 1 (1CA1) to the first terminal block
- wiring of the MCDU OPP FAIL discrete from the FMGC 2 (1CA2) to the first terminal block
- wiring of the MCDU FAIL discrete from the MCDU 1 (3CA1) to the first terminal block
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 22-82-12-000-001 Removal of the MCDU (3CA1,3CA2,3CA3)
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