- wiring between the circuit breaker (6FP2) and the ADIRU2 (1FP2)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 24-30-00-040-001 Perform a Charging Cycle on the Battery Associated With the Operative Battery Charge Limiter (BCL) ASM 34-11/01
3. Fault Confirmation
__________________
A. Test
Not applicable, the fault is evident.
4. Fault Isolation
_______________
A. If the FAULT annunciator light of the IR2 comes on, on the Control and Display Unit (CDU) during power transfer on ground:
- do a charging cycle on the battery 2 (Ref. AMM TASK 24-30-00-040-001).
(1) If the battery 2 charge is correct:
- replace the RELAY-ADIRS 2 PWR SHEDDING (17FP)
(a) If the fault continues:
- do a check and repair the wiring between the circuit breaker (6FP2) and the ADIRU2 (1FP2): for pin AC/7 of the ADIRU2 (Ref. ASM 34-11/01).
Loss of DC Supply of the ADIRU3 During Power Transfer on Ground
1. Possible Causes
_______________
- RELAY-ADIRS 3 PWR SHEDDING (14FP)
- wiring between the circuit breaker (6FP3) and the ADIRU3 (1FP3)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 24-30-00-040-001 Perform a Charging Cycle on the Battery Associated With the Operative Battery Charge Limiter (BCL) ASM 34-11/01
3. Fault Confirmation
__________________
A. Test
Not applicable, the fault is evident.
4. Fault Isolation
_______________
A. If the FAULT annunciator light of the IR3 comes on, on the Control and Display Unit (CDU) during power transfer on ground:
- do a charging cycle on the battery 1 (Ref. AMM TASK 24-30-00-040-001).
(1) If the battery 1 charge is correct:
- replace the RELAY-ADIRS 3 PWR SHEDDING (14FP)
(a) If the fault continues:
- do a check and repair the wiring between the circuit breaker (6FP3) and the ADIRU3 (1FP3): for pin AC/7 of the ADIRU3 (Ref. ASM 34-11/01).
R **ON A/C 001-049, 101-105, 151-199, 201-203,
TASK 34-14-00-810-972
Loss of the Primary GPS Data on one ADIRU
1. Possible Causes
_______________
- GPSSU-1 (1SN1)
- GPSSU-2 (1SN2)
- wiring from the GPSSU1 to the ADIRU1
- wiring from the GPSSU2 to the ADIRU2
- wiring from the GPSSU1 to the ADIRU3
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 34-58-31-000-001 Removal of the GPSSU (1SN1,1SN2) AMM 34-58-31-400-001 Installation of the GPSSU (1SN1,1SN2) ASM 34-58/01
3. Fault Confirmation
__________________
A. Not applicable, you cannot confirm this fault on the ground.
4. Fault Isolation
_______________
A. If the STS - GNSSU 1 FLT message is shown on the ADIRS CDU (2FP) on the overhead panel 20VU:
(1) When the SYS OFF/1/3/2 selector switch is in the 1 position on the ADIRS CDU (20VU):
- do a check and repair the wiring from the GPSSU1 to the ADIRU1: pins A/19, 20 to pins AB/14J, 15J (Ref. ASM 34-58/01).
(a) After the subsequent flight, if the fault continues:
- replace the GPSSU-1 (1SN1) (Ref. AMM TASK 34-58-31-000-001) and (Ref. AMM TASK 34-58-31-400-001).
(2) When the SYS OFF/1/3/2 selector switch is in the 2 position on the ADIRS CDU (20VU):
- do a check and repair the wiring from the GPSSU2 to the ADIRU2: pins A/19, 20 to pins AB/14J, 15J (Ref. ASM 34-58/01).
(a) After the subsequent flight, if the fault continues:
- replace the GPSSU-2 (1SN2) (Ref. AMM TASK 34-58-31-000-001) and (Ref. AMM TASK 34-58-31-400-001).
(3) When the SYS OFF/1/3/2 selector switch is in the 3 position on the ADIRS CDU (20VU):
- do a check and repair the wiring from the GPSSU1 to the ADIRU3: pins A/13, 14 to pins AB/14J, 15J (Ref. ASM 34-58/01).
(a) After the subsequent flight, if the fault continues:
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