1. Possible Causes
_______________
- ADIRU-1 (1FP1)
- wiring of the INERTIAL REFERENCE OUTPUT BUS 2 bus from the ADIRU 1 (1FP1) to the first terminal block
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION
-------------------------------------------------------------------------------
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)
AMM 34-14-00-740-001 Interface Test of the IR
ASM 34-14/01
3. Fault Confirmation
__________________
A. Test Do the Interface test of the IR (system 1) (Ref. AMM TASK 34-14-00-740-001).
4. Fault Isolation
_______________
A. If the test gives the maintenance message ADIRU1 (1FP1) IR BUS2:
- replace the ADIRU-1 (1FP1) (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 2 bus from the ADIRU 1 (1FP1) to the first terminal block (Ref. ASM 34-14/01).
B. Do the test given in Para. 3.
Loss of the IR1 BUS3 Output
1. Possible Causes
_______________
- ADIRU-1 (1FP1)
- wiring of the INERTIAL REFERENCE OUTPUT BUS 3 bus from the ADIRU 1 (1FP1) to the first terminal block
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION
-------------------------------------------------------------------------------
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)
AMM 34-14-00-740-001 Interface Test of the IR
ASM 34-14/01
3. Fault Confirmation
__________________
A. Test Do the Interface test of the IR (system 1) (Ref. AMM TASK 34-14-00-740-001).
4. Fault Isolation
_______________
A. If the test gives the maintenance message ADIRU1 (1FP1) IR BUS3:
- replace the ADIRU-1 (1FP1) (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 1 (1FP1) to the first terminal block (Ref. ASM 34-14/01).
B. Do the test given in Para. 3.
Loss of the IR2 BUS1 Output
1. Possible Causes
_______________
- ADIRU-2 (1FP2)
- wiring of the INERTIAL REFERENCE OUTPUT BUS 1 bus from the ADIRU 2 (1FP2) to the first terminal block
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION
-------------------------------------------------------------------------------
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)
AMM 34-14-00-740-001 Interface Test of the IR
ASM 34-14/01
3. Fault Confirmation
__________________
A. Test Do the Interface test of the IR (system 2) (Ref. AMM TASK 34-14-00-740-001).
4. Fault Isolation
_______________
A. If the test gives the maintenance message ADIRU2 (1FP2) IR BUS1:
- 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 1 bus from the ADIRU 2 (1FP2) to the first terminal block (Ref. ASM 34-14/01).
B. Do the test given in Para. 3.
Loss of the IR2 BUS2 Output
1. Possible Causes
_______________
- ADIRU-2 (1FP2)
- wiring of the INERTIAL REFERENCE OUTPUT BUS 2 bus from the ADIRU 2 (1FP2) to the first terminal block 中國航空網 www.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：A320 Trouble Shooting Manual 排故手冊 導航 NAVIGATION 2(66)
