R **ON A/C 001-049, 101-105, 151-199, 201-203,
TASK 34-14-00-810-920
Failure of the Cooling Air System of the IR1
1. Possible Causes
_______________
- ADIRU-1 (1FP1)
- cooling air system
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
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 maintenance message ADIRU1 (1FP1)/OVER TEMPERATURE is shown:
- remove the ADIRU-1 (1FP1) (Ref. AMM TASK 34-12-34-000-001)
- do a check of the cooling air system.
(1) If the system is operative:
- install a new ADIRU 1 (Ref. AMM TASK 34-12-34-400-001).
(2) If the system is not operative:
- repair it and install the ADIRU 1.
B. Do the test given in Para. 3.
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 001-049, 101-105, 151-199, 201-203, ∞∞34-14-00∞∞∞∞∞∞∞∞∞∞Page A261
May 01/05 CES TASK 34-14-00-810-921 Failure of the Cooling Air System of the IR2
1. Possible Causes
_______________
- ADIRU-2 (1FP2)
- cooling air system
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
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 maintenance message ADIRU2 (1FP2)/OVER TEMPERATURE is shown:
- remove the ADIRU-2 (1FP2) (Ref. AMM TASK 34-12-34-000-001)
- do a check of the cooling air system.
(1) If the system is operative:
- install a new ADIRU 2 (Ref. AMM TASK 34-12-34-400-001).
(2) If the system is not operative:
- repair it and install the ADIRU 2.
B. Do the test given in Para. 3.
TASK 34-14-00-810-922 Failure of the Cooling Air System of the IR3
1. Possible Causes
_______________
- ADIRU-3 (1FP3)
- cooling air system
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
3. Fault Confirmation
__________________
A. Test Do the Interface test of the IR (system 3) (Ref. AMM TASK 34-14-00-740-001).
4. Fault Isolation
_______________
A. If the maintenance message ADIRU3 (1FP3)/OVER TEMPERATURE is shown:
- remove the ADIRU-3 (1FP3) (Ref. AMM TASK 34-12-34-000-001)
- do a check of the cooling air system.
(1) If the system is operative:
- install a new ADIRU 3 (Ref. AMM TASK 34-12-34-400-001).
(2) If the system is not operative:
- repair it and install the ADIRU 3.
B. Do the test given in Para. 3.
TASK 34-14-00-810-923
Selection of the Mode for the IR1 not Possible
1. Possible Causes
_______________
- ADIRU-1 (1FP1)
- wiring between the ADIRU1 and the ADIRS CDU (2FP)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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