1. Possible Causes
_______________
- PHC-3 (6DA3)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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)
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 PHC 6DA3:
- replace the PHC-3 (6DA3) (Ref. AMM TASK 30-31-34-000-002) and (Ref. AMM TASK 30-31-34-400-002).
「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 277
May 01/03R
CES Loss of the Pitot Probe Output-Discrete from the PHC 1
1. Possible Causes
_______________
- PHC-1 (6DA1)
- wiring from the PHC 1 (6DA1) to the ADIRU 1 (1FP1)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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 ADIRU1 PITOT PHC1 INTERFACE:
- do a check for ground at pin A/<B 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 1 (1FP1) pin A/<B to pin AA/4J (Ref. ASM 34-13/02).
(b) If the fault continues:
- do the INTERFACE TEST of the ADR (system 1) (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 278
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 279
May 01/03R
CES Loss of the Angle-of-Attack Sensor Output-Discrete from the PHC 1
1. Possible Causes
_______________
- PHC-1 (6DA1)
- wiring from the PHC 1 (6DA1) to the ADIRU 1 (1FP1)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
34-11-00-810-829 Loss of the Angle of Attack Sensor 1
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