R **ON A/C 051-099,
R TASK 34-14-00-810-837 R Loss of the IR 2 BUS 2 Output Identified by the RADAR 2 R 1. Possible Causes
_______________
R - ADIRU-2 (1FP2)
R - wiring of the INERTIAL REFERENCE OUTPUT BUS 2 bus from the ADIRU 2 (1FP2)
R to the first terminal block

R 2. Job Set-up Information

______________________
R A. Referenced Information

R -------------------------------------------------------------------------------R REFERENCE DESIGNATION R -------------------------------------------------------------------------------
R  AMM  34-12-34-000-001  Removal of the ADIRU (1FP1, 1FP2, 1FP3) 
R  AMM  34-12-34-400-001  Installation of the ADIRU (1FP1, 1FP2, 1FP3) 
R  AMM  34-41-00-740-002  BITE Test of the Weather Radar 
R  ASM  34-14/01 
R  3. Fault Confirmation__________________ 
R  A. Test 

R Do the BITE test of the weather radar (system 2) (Ref. AMM TASK 34-41-00-R 740-002).
R 4. Fault Isolation
_______________
R A. If the test gives the maintenance message ADIRU2 (1FP2) IR BUS/WXR2
R (1SQ2):
R - replace the ADIRU-2 (1FP2) (Ref. AMM TASK 34-12-34-000-001) and (Ref.
R AMM TASK 34-12-34-400-001).

R (1) If the fault continues:
R - do a check and repair the wiring of the INERTIAL REFERENCE OUTPUT
R BUS 2 bus from the ADIRU 2 (1FP2) to the first terminal block:for
R pins AB/5E, 6E of the ADIRU 2 (Ref. ASM 34-14/01).

R B. Do the test given in para. 3.

 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 051-099, ∞∞34-14-00∞∞∞∞∞∞∞∞∞∞Page 245
 May 01/05 CES

R **ON A/C ALL

 TASK 34-14-00-810-838
 Loss of the IR 2 BUS 3 Output Identified by the AFS
 1. Possible Causes
_______________
 - ADIRU-2 (1FP2)

 - wiring of the INERTIAL REFERENCE OUTPUT BUS 3 bus from the ADIRU 2 (1FP2) to the first terminal block

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 22-91-00-710-001 Ground Scanning of the AFS
 AMM 34-12-34-000-001 Removal of the ADIRU (1FP1, 1FP2, 1FP3)
 AMM 34-12-34-400-001 Installation of the ADIRU (1FP1, 1FP2, 1FP3)
 ASM 34-14/01

 3. Fault Confirmation
__________________
 A. Test Do the operational test of 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 : ADIRU 2:
 - replace the ADIRU-2 (1FP2) (Ref. AMM TASK 34-12-34-000-001) and (Ref. AMM TASK 34-12-34-400-001).
 (1) If the fault continues:
 - do a check and repair the wiring of the INERTIAL REFERENCE OUTPUT BUS 3 bus from the ADIRU 2 (1FP2) to the first terminal block (Ref. ASM 34-14/01).
 B. 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 ∞∞34-14-00∞∞∞∞∞∞∞∞∞∞Page 246
 May 01/05 CES Loss of the IR 2 BUS 3 Output Identified by the EFCS 1

 1. Possible Causes
_______________
 - ADIRU-2 (1FP2)

 - wiring of the INERTIAL REFERENCE OUTPUT BUS 3 bus from the ADIRU 2 (1FP2) to the terminal block 1831VT

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
31-32-00-810-934 Failure of the Digital Links
 AMM 27-96-00-740-001 BITE Test of the EFCS (Ground Scanning)
 AMM 34-12-34-000-001 Removal of the ADIRU (1FP1, 1FP2, 1FP3)
 AMM 34-12-34-400-001 Installation of the ADIRU (1FP1, 1FP2, 1FP3)
 ASM 34-14/01
 AWM 34-11-38

 3. Fault Confirmation
__________________
 A. Test Do the BITE test of the EFCS (ground scanning) (system 1) (Ref. AMM TASK 27-96-00-740-001).
 4. Fault Isolation
_______________
 A. If the test gives the maintenance message IR2 OR BUS 3 TO ELAC1:
 - replace the ADIRU-2 (1FP2) (Ref. AMM TASK 34-12-34-000-001) and (Ref. AMM TASK 34-12-34-400-001).
 (1) If the fault continues:
　
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