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 3. Fault Confirmation
__________________
 A. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU HYDRAULIC/BRAKING AND STEERING/SYS2/SPLY 4GG M36 121VU HYDRAULIC/BRAKING AND STEERING/SYS2/CTL 3GG M35 121VU HYDRAULIC/BRAKING AND STEERING/SYS1/CTL 1GG M34 121VU HYDRAULIC/BRAKING AND STEERING/SYS1/IND AND/SPLY 2GG M33
 B. Test
 NOTE : If the fault message AFS: BSCU2 is shown on the post flight report
____ after in-flight or on ground reset of the anti skid and nose wheel steering system with the A/SKID & NOSE WHEEL control switch (5 GG):
 - no maintenance action required.
 (1) Open the circuit breakers 1GG and 2GG.
 「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 ∞∞22-83-00∞∞∞∞∞∞∞∞∞∞Page 277
 Aug 01/05R CES

 (2) Do the Ground Scanning of the AFS (Ref. AMM TASK 22-91-00-710-001).

 (3) Close the circuit breakers 1GG and 2GG.

 4. Fault Isolation
_______________
 A. If the test gives the maintenance message AFS: BSCU2 (ISSUED BY: FG1):
 - 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:

 - replace the BSCU (10GG) (Ref. AMM TASK 32-42-34-000-001) and (Ref. AMM TASK 32-42-34-400-001).

 (2) If the fault continues:

 - do a check and repair the wiring of the BSCU OPP VALID COM and BSCU OPP VALID MON discretes (from the FMGC 1 (1CA1) to the BSCU (10GG)) (Ref. ASM 22-85/04).
 B. If the test gives the maintenance message AFS: BSCU2 (ISSUED BY: FG2):
 - 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 BSCU OWN VALID COM and BSCU OWN VALID MON discretes (from the FMGC 2 (1CA2) to the first terminal block) (Ref. ASM 22-85/04).
 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 ∞∞22-83-00∞∞∞∞∞∞∞∞∞∞Page 278
 Aug 01/05R
 CES  Loss of the Reception of the PRINTER Bus by one FMGC

 1. Possible Causes
_______________
 - FMGC-1 (1CA1)

 - FMGC-2 (1CA2)

 - wiring of the PRINTER bus from the FMGC 1 (1CA1) to the first terminal block

 - wiring of the PRINTER 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 22-86/01

 3. Fault Confirmation
__________________
 A. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
121VU PTR/SPLY 6TW J21
 B. 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: PRINTER (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 PRINTER bus from the FMGC 1 (1CA1) to the first terminal block (Ref. ASM 22-86/01).
 「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 ∞∞22-83-00∞∞∞∞∞∞∞∞∞∞Page 279
 Aug 01/05R
 CES  B. If the test gives the maintenance message AFS: PRINTER (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 PRINTER bus from the FMGC 2 (1CA2) to the first terminal block (Ref. ASM 22-86/01).
　
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