Loss of the IR 3 BUS 3 Output Identified by the EIS 1
 1. Possible Causes
_______________
 - ADIRU-3 (1FP3)

 - wiring of the INERTIAL REFERENCE OUTPUT BUS 3 bus from the ADIRU 3 (1FP3) to the first terminal block

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-60-00-740-002 EIS Input Test
 AMM 31-60-00-740-007 GROUND SCANNING Test of the DMC
 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
__________________
 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
 A. Test Do the EIS input test (system 1) (Ref. AMM TASK 31-60-00-740-002).
R **ON A/C 106-149, 303-399, 401-499,
 A. Test Do the Ground Scanning Test of the DMC (system 1) (Ref. AMM TASK 31-60-00-740-007).

 4. Fault Isolation
_______________
 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
 A. If the test gives the maintenance message DMC1 : NO IRS3 DATA:
 - replace the ADIRU-3 (1FP3) (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 3 (1FP3) to the first terminal block (Ref. ASM 34-14/01).
R **ON A/C 106-149, 303-399, 401-499,
 A. If the test gives the maintenance message ADIRU3(1FP3)BUSX IR/DMC1(1WT1)
 - replace the ADIRU-3 (1FP3) (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 3 (1FP3) to the first terminal block (Ref. ASM 34-14/01).
 **ON A/C ALL
 B. Do the test given in Para. 3.

 Internal Failure of the IR 3 Identified by the EIS 2
 1. Possible Causes
_______________
 - ADIRU-3 (1FP3)
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-60-00-740-002 EIS Input Test
 AMM 31-60-00-740-004 EIS System Test
 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)

 3. Fault Confirmation
__________________
 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,

 A. Test Do the EIS input test (system 2) (Ref. AMM TASK 31-60-00-740-002).
R **ON A/C 106-149, 303-399, 401-499,
 A. Test Do the EIS system test (system 2) (Ref. AMM TASK 31-60-00-740-004).
 **ON A/C ALL
 4. Fault Isolation
_______________
 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,

 A. If the test gives the maintenance message DMC2 : NO IRS3 DATA:
 - replace the ADIRU-3 (1FP3) (Ref. AMM TASK 34-12-34-000-001) and (Ref. AMM TASK 34-12-34-400-001).

R **ON A/C 106-149, 303-399, 401-499,

 A. If the test gives the maintenance message ADIRU3(1FP3)BUSX IR/DMC2(1WT2)
 - replace the ADIRU-3 (1FP3) (Ref. AMM TASK 34-12-34-000-001) and (Ref. AMM TASK 34-12-34-400-001).
 **ON A/C ALL
 B. Do the test given in Para. 3.

 Loss of the IR 3 BUS 2 Output Identified by the EIS 2
 1. Possible Causes
_______________
 - ADIRU-3 (1FP3)

 - wiring of the INERTIAL REFERENCE OUTPUT BUS 2 bus from the ADIRU 3 (1FP3) to the first terminal block

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-60-00-740-002 EIS Input Test
 AMM 31-60-00-740-007 GROUND SCANNING Test of the DMC
 AMM 34-12-34-000-001 Removal of the ADIRU (1FP1, 1FP2, 1FP3)
　
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