FDIMU receives no data from the ADIRU 1-3 (1FP1,1FP2,1FP3)
1. Possible Causes
_______________
- ADIRU-1 (1FP1)
- ADIRU-2 (1FP2)
- ADIRU-3 (1FP3)
- DMU/FDIU (FDIMU) (10TV)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-36-00-740-012 Test of the FDIMU (10TV)
AMM 31-36-34-000-002 Removal of the FDIU/DMU (FDIMU) (10TV)
AMM 31-36-34-400-002 Installation of the FDIU/DMU (FDIMU) (10TV)
AMM 34-13-00-740-002 INTERFACE TEST of the ADR
AMM 34-14-00-740-001 Interface Test of the IR
ASM 31-37/01
3. Fault Confirmation
__________________
A. Do the FDIMU (10TV) fault monitoring test (AIDS-Part) (Ref. AMM TASK 31-36-00-740-012).
NOTE : Make sure that the circuit breakers 5TV, 4FP2, 5FP2, 6FP2, 10FP on
____ the panel 121VU and 4FP1, 5FP1 on the panel 49VU and 6FP1 on the panel 105VU are closed during the test.
4. Fault Isolation
_______________
A. If the test gives the maintenance message:
- ADIRU1 (1FP1)/FDIMU (10TV) or
- ADIRU2 (1FP2)/FDIMU (10TV) or
- ADIRU3 (1FP3)/FDIMU (10TV)
(1) Do the BITE Test of the Air Data/Internal Reference System (ADIRS) (Ref. AMM TASK 34-13-00-740-002) and (Ref. AMM TASK 34-14-00-740-001).
(a) If the test gives a different maintenance message, you can find the related trouble shooting procedure in the applicable Page Block 101.
「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 : 106-149, 211-299, 301-399, 401-499, ∞∞31-36-00∞∞∞∞∞∞∞∞∞∞Page 274
Aug 01/05 CES (2) If the fault continues:
- do a check and if necessary repair the wiring between the ADIRU-1 (1FP1) or ADIRU-2 (1FP2) or ADIRU-3 (1FP3) and the DMU/FDIU (FDIMU) (10TV) (Ref. ASM 31-37/01):
ADIRU 1 Connector AA/5A to FDIMU Connector AA/1G ADIRU 1 Connector AA/5B to FDIMU Connector AA/1H ADIRU 1 Connector AB/5E to FDIMU Connector AA/7A ADIRU 1 Connector AB/6E to FDIMU Connector AA/7B or ADIRU 2 Connector AA/7A to FDIMU Connector AB/1G ADIRU 2 Connector AA/7B to FDIMU Connector AB/1H ADIRU 2 Connector AB/10C to FDIMU Connector AB/7A ADIRU 2 Connector AB/11C to FDIMU Connector AB/7B or ADIRU 3 Connector AA/9A to FDIMU Connector AA/6J ADIRU 3 Connector AA/9B to FDIMU Connector AA/6K ADIRU 3 Connector AB/10C to FDIMU Connector AB/6J ADIRU 3 Connector AB/11C to FDIMU Connector AB/6K.
(3) If the fault continues:
- replace the FDIMU (10TV) (Ref. AMM TASK 31-36-34-000-002) and (Ref. AMM TASK 31-36-34-400-002).
B. Do the test given in para. 3.
FDIMU receives no data from the BMC 1 (1HA1) or BMC 2 (1HA2)
1. Possible Causes
_______________
- BMC-1 (1HA1)
- BMC-2 (1HA2)
- DMU/FDIU (FDIMU) (10TV)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 31-36-00-740-012 Test of the FDIMU (10TV)
AMM 31-36-34-000-002 Removal of the FDIU/DMU (FDIMU) (10TV)
AMM 31-36-34-400-002 Installation of the FDIU/DMU (FDIMU) (10TV)
AMM 36-11-00-710-001 Operational Test to read the CURRENT STATUS of the
Engine Bleed Air System
ASM 31-37/01
3. Fault Confirmation
__________________
A. Do the FDIMU (10TV) fault monitoring test (AIDS-part) (Ref. AMM TASK 31-36-00-740-012).
NOTE : Make sure that the circuit breakers 5TV on the panel 121VU and
____ 2HA1, 3HA1 on the panel 49VU and 2HA2, 3HA2 on the panel 122VU are closed during the test.
4. Fault Isolation
_______________
A. If the test gives the maintenance message:
- BMC1 (1HA1) / FDIMU (10TV) or
- BMC2 (1HA2) / FDIMU (10TV)
(1) Do the operational test of the bleed monitoring computer (Ref. AMM TASK 36-11-00-710-001).
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