Loss of the ARINC 429 Data between the FWC 1 and the DMC 1
1. Possible Causes
_______________
- DMC-1 (1WT1)
- FWC-1 (1WW1)
- wiring from the DMC 1 (1WT1) to the FWC 1 (1WW1)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-53-34-000-001 Removal of the Flight Warning Computer (FWC) (1WW1,1WW2) AMM 31-53-34-400-001 Installation of the Flight Warning Computer (FWC)
(1WW1,1WW2)
AMM 31-60-00-740-002 EIS Input Test
AMM 31-60-00-740-007 GROUND SCANNING Test of the DMC
AMM 31-63-34-000-001 Removal of the DMC (1WT1,1WT2,1WT3)
AMM 31-63-34-400-001 Installation of the DMC (1WT1,1WT2,1WT3)
ASM 31-52/05
3. Fault Confirmation
__________________
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FWS/FWC1/SPLY 3WW F01
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
B. Test Do the EIS input test (EIS 1) (Ref. AMM TASK 31-60-00-740-002).
R **ON A/C 106-149, 303-399, 401-499,
B. Test Do the Ground Scanning Test of the DMC (Ref. AMM TASK 31-60-00-740-007).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞31-53-00∞∞∞∞∞∞∞∞∞∞Page 209
Aug 01/05 CES 4. Fault Isolation
_______________
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
A. If the test gives the maintenance message:
DMC 1 : NO FWC 1 DATA
- replace the DMC-1 (1WT1), (Ref. AMM TASK 31-63-34-000-001) and (Ref. AMM TASK 31-63-34-400-001).
(1) If the fault continues:
- replace the FWC-1 (1WW1), (Ref. AMM TASK 31-53-34-000-001) and (Ref. AMM TASK 31-53-34-400-001).
(a) If the fault continues:
- do a check and repair the wiring from the DMC 1 (1WT1) to the FWC 1 (1WW1) from pins AA/10A, 10B to pins AB/12F, 12G , (Ref. ASM 31-52/05).
R **ON A/C 106-149, 303-399, 401-499,
A. If the test gives the maintenance message:
FWC1(1WW1) BUSX DATA/DMC1(1WT1)
- replace the DMC-1 (1WT1), (Ref. AMM TASK 31-63-34-000-001) and (Ref. AMM TASK 31-63-34-400-001).
(1) If the fault continues:
- replace the FWC-1 (1WW1), (Ref. AMM TASK 31-53-34-000-001) and (Ref. AMM TASK 31-53-34-400-001).
(a) If the fault continues:
- do a check and repair the wiring from the DMC 1 (1WT1) to the FWC 1 (1WW1) from pins AD/8G, 8H to pins AB/12F, 12G , (Ref. ASM 31-52/05).
**ON A/C ALL
B. Do the test given in Para. 3.B.
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞31-53-00∞∞∞∞∞∞∞∞∞∞Page 210
Aug 01/05 CES Loss of the ARINC 429 Data between the FWC 1 and the DMC 2
1. Possible Causes
_______________
- DMC-2 (1WT2)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-60-00-740-002 EIS Input Test
AMM 31-60-00-740-007 GROUND SCANNING Test of the DMC
AMM 31-63-34-000-001 Removal of the DMC (1WT1,1WT2,1WT3)
AMM 31-63-34-400-001 Installation of the DMC (1WT1,1WT2,1WT3)
ASM 31-52/05
3. Fault Confirmation
__________________
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FWS/FWC1/SPLY 3WW F01
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
B. Test Do the EIS input test (EIS 2) (Ref. AMM TASK 31-60-00-740-002).
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