- do a check of the wiring between the ADIRU 2 and the first terminal block : for pins AB/5E, 6E of the ADIRU 2 (Ref. ASM 34-14/01)

 (a) If the wiring is not ok:

 - repair it

 - install the ADIRU 2.

 (b) If the wiring is ok:

 - do a check of the wiring between the ADIRU 2 and the terminal block 1831VT : for pins AB/10C, 11C of the ADIRU 2 (Ref. ASM 34-14/01)
 「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 ∞∞34-14-00∞∞∞∞∞∞∞∞∞∞Page B210
 May 01/05R CES

 1_ If the above wiring is not ok:
 - repair the above wiring
 - install the ADIRU 2.
 2_ If the above wiring is ok:
 - do the trouble shooting procedure that follows (Ref. TASK

 31-32-00-810-934).
 B. Do the test given in Para. 3.
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞34-14-00∞∞∞∞∞∞∞∞∞∞Page B211
 May 01/05R
 CES  Loss of the IR3 Data Identified by the EFCS2

 1. Possible Causes
_______________
 - ADIRU-3 (1FP3)

 - wiring between the ADIRU 3 and the first terminal block

 - wiring between the ADIRU 3 and the terminal block 1831VT

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
31-32-00-810-934 Failure of the Digital Links
 AMM 27-96-00-740-001 BITE Test of the EFCS (Ground Scanning)
 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)
 ASM 34-14/01

 3. Fault Confirmation
__________________
 A. Test
 (1) Do the BITE test of the EFCS (Ground scanning) (system 2) (Ref. AMM TASK 27-96-00-740-001).
 4. Fault Isolation
_______________
 A. If the test gives the maintenance message IR3:
 - replace the ADIRU-3 (1FP3) (Ref. AMM TASK 34-12-34-000-001) and (Ref. AMM TASK 34-12-34-400-001).
 (1) If the fault continues:
 - remove the ADIRU 3

 - do a check of the wiring between the ADIRU 3 and the first terminal block : for pins AB/5E, 6E of the ADIRU 3 (Ref. ASM 34-14/01)

 (a) If the wiring is not ok:

 - repair it

 - install the ADIRU 3.

 (b) If the wiring is ok:

 - do a check of the wiring between the ADIRU 3 and the terminal block 1831VT : for pins AB/10C, 11C of the ADIRU 3 (Ref. ASM 34-14/01)
 「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 ∞∞34-14-00∞∞∞∞∞∞∞∞∞∞Page B212
 May 01/05R CES

 1_ If the above wiring is not ok:
 - repair the above wiring
 - install the ADIRU 3.
 2_ If the above wiring is ok:
 - do the trouble shooting procedure that follows (Ref. TASK

 31-32-00-810-934).
 B. Do the test given in Para. 3.

 TASK 34-14-00-810-969 Loss of DC Supply of the ADIRU1 During Power Transfer on Ground
 1. Possible Causes
_______________
 - wiring between the circuit breaker (6FP1) and the ADIRU1 (1FP1)
 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 IR1 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:
 - do a check and repair the wiring between the circuit breaker (6FP1) and the ADIRU1 (1FP1): for pin AC/7 of the ADIRU1 (Ref. ASM 34-11/01).

 Loss of DC Supply of the ADIRU2 During Power Transfer on Ground
　
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