3. Fault Confirmation
__________________
 A. Test
 (1) Do the operational test of the probe ice protection (Ref. AMM TASK 30-31-00-710-001).
 4. Fault Isolation
_______________
 A. If the test gives the maintenance message CHECK ADIRU3 R STATIC PHC3 INTERFACE:
 - do a check for ground at pin A/Y of the PHC 3 (6DA3) (Ref. ASM 30-31/03).
 (1) If there is no ground:
 - replace the PHC-3 (6DA3), (Ref. AMM TASK 30-31-34-000-002) and (Ref. AMM TASK 30-31-34-400-002).
 (a) If the fault continues:

 - do a check and repair the wiring from the PHC 3 (6DA3) to the ADIRU 3 (1FP3) pin A/Y to pin AA/4H (Ref. ASM 34-13/02).

 (b) If the fault continues:

 - do the INTERFACE TEST of the ADR (system 3) (Ref. AMM TASK 34-13-00-740-002)

 - do the necessary corrective actions: (TSM chapter 34).

 「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 ∞∞30-31-00∞∞∞∞∞∞∞∞∞∞Page A204
 May 01/03R CES

 B. Do the operational 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 ∞∞30-31-00∞∞∞∞∞∞∞∞∞∞Page A205
 May 01/03R
 CES  Loss of the TAT Sensor Output-Discrete from the PHC 1 to the ADIRU 3

 1. Possible Causes
_______________
 - PHC-1 (6DA1)

 - wiring from the PHC 1 (6DA1) to the ADIRU 3 (1FP3)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
34-13-00-810-911 Loss of the TAT Sensor 1 Input on the ADR3
 AMM 30-31-00-710-001 Operational Test of the Probe Ice Protection
 AMM 30-31-34-000-002 Removal of the Probe Heat Computer (PHC)

 (6DA1,6DA2,6DA3)
 AMM 30-31-34-400-002 Installation of the Probe Heat Computer (PHC)

 (6DA1,6DA2,6DA3)
 AMM 34-13-00-740-002 INTERFACE TEST of the ADR
 ASM 30-31/01
 ASM 34-13/02

 3. Fault Confirmation
__________________
 A. Test
 (1) Do the operational test of the probe ice protection (Ref. AMM TASK 30-31-00-710-001).
 4. Fault Isolation
_______________
 A. If the test gives the maintenance message CHECK ADIRU3 TAT PHC1 INTERFACE:
 - do a check for ground at pin A/<A of the PHC 1 (6DA1) (Ref. ASM 30-31/01).
 (1) If there is no ground:
 - replace the PHC-1 (6DA1), (Ref. AMM TASK 30-31-34-000-002) and (Ref. AMM TASK 30-31-34-400-002).
 (a) If the fault continues:
 - do a check and repair the wiring from the PHC 1 (6DA1) to the ADIRU 3 (1FP3) pin A/<A to pin AA/4F (Ref. ASM 34-13/02).
 「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 ∞∞30-31-00∞∞∞∞∞∞∞∞∞∞Page A206
 May 01/03R CES

 (b) If the fault continues:
 - do the INTERFACE TEST of the ADR (system 3) (Ref. AMM TASK 34-13-00-740-002)

 - do the necessary corrective actions: (Ref. TASK 34-13-00-810-911)

 B. Do the operational 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 ∞∞30-31-00∞∞∞∞∞∞∞∞∞∞Page A207
 May 01/03R
 CES  Loss of the LGCIU 2 (5GA2)

 1. Possible Causes
_______________
 - LGCIU-1 (5GA1)

 - LGCIU-2 (5GA2)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
AMM 32-31-71-000-001 Removal of the LGCIU (5GA1, 5GA2)
 AMM 32-31-71-400-001 Installation of the LGCIU (5GA1, 5GA2)
 AMM 32-31-73-000-001 Removal of the Proximity-Sensors 9GA(8GA),

 11GA(10GA), 27GA(26GA), 29GA(28GA), 15GA(14GA), 17GA(16GA), 21GA(20GA), 23GA(22GA), 33GA(32GA), 35GA(34GA)
 AMM 32-31-73-000-005  Removal of the NLG Proximity-Sensors 12GA, 13GA, 18GA, 19GA, 24GA, 25GA, 30GA, 31GA, 37GA (36GA), 39GA (38GA).
　
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