2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-33-16-000-001 Removal of the Three-Axis-Accelerometer (LA) AMM 31-33-16-400-001 Installation of the Three-Axis-Accelerometer (LA) ASM 31-33/01
 3. Fault Confirmation
__________________
 A. Do the LA (6TU) test (Ref. AMM TASK 31-33-16-400-001) paragraph 4..
 4. Fault Isolation
_______________
 A. If the test gives no 'g' values.
 - make sure that the CB 9TU is closed,

 - do a check for 28 VDC at the LA (6TU) connectors A/A and A/B (Ref. ASM 31-33/01).

 (1) If there is 28 VDC:

 - replace the ACCELEROMETER-THREE AXIS (6TU) (Ref. AMM TASK 31-33-16-000-001) and (Ref. AMM TASK 31-33-16-400-001)

 (2) If there is no 28 VDC:

 - do a check and repair the wiring as necessary (Ref. ASM 31-33/01), between:
 CB 9TU and the LA (6TU) connector A/A,
 LA (6TU) connector A/C and SDAC 1 (1WV1), SDAC 2 (1WV2) connector 11/C
 LA (6TU) connector A/D and SDAC 1 (1WV1), SDAC 2 (1WV2) connector 11/D
 「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 ∞∞31-33-00∞∞∞∞∞∞∞∞∞∞Page 214
 Aug 01/04R CES

 LA (6TU) connector A/E and SDAC 1 (1WV1), SDAC 2 (1WV2) connector 11/E
 LA (6TU) connector A/F and SDAC 1 (1WV1), SDAC 2 (1WV2) connector 11/F
 LA (6TU) connector A/G and SDAC 1 (1WV1), SDAC 2 (1WV2) connector 11/G
 LA (6TU) connector A/H and SDAC 1 (1WV1), SDAC 2 (1WV2) connector 11/H
 B. Do the test given in paragraph 3.A. again to check the correct operation (no maintenance message display).
 「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 ∞∞31-33-00∞∞∞∞∞∞∞∞∞∞Page 215
 Aug 01/04R
 CES  DFDR (1TU) Playback Data Fault

 1. Possible Causes
_______________
 - DFDR (1TU)

 - FDIU (2TU)

 - DMU/FDIU (FDIMU) (10TV)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 31-33-00-710-001 Operational Test of the Power Interlocks and Status Monitoring AMM 31-33-34-000-001 Removal of the Flight Data Interface Unit (FDIU) (2TU) AMM 31-33-34-400-001 Installation of the Flight Data Interface Unit (FDIU)
 (2TU) AMM 31-33-55-000-001 Removal of the Digital Flight Data Recorder (DFDR) AMM 31-33-55-400-002 Installation of the Digital Flight Data Recorder
 (DFDR)
 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)
 ASM 31-33/01

 3. Fault Confirmation
__________________
 A. Do the Operational Test of the Power Interlocks and Status Monitoring (Ref. AMM TASK 31-33-00-710-001).
 4. Fault Isolation
_______________
R **ON A/C 001-049, 051-099, 101-105, 151-158, 201-209,
 A. If the test gives the maintenance message DFDR PLAYBACK:
 - do a check of the wiring (Ref. ASM 31-33/01), between:
 DFDR (1TU) connector AA/7 and 1971VC connector A/56,
 DFDR (1TU) connector AA/8 and 1971VC connector A/57,
 DFDR (1TU) connector AA/9 and 1971VC connector A/58,
 DFDR (1TU) connector AA/10 and 1971VC connector A/59,
 「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 ∞∞31-33-00∞∞∞∞∞∞∞∞∞∞Page 216
 May 01/05 CES DFDR (1TU) connector AA/22 and 1971VC connector A/54, 1971VC connector A/56 and FDIU (2TU) connector AA/9J, 1971VC connector A/57 and FDIU (2TU) connector AA/9K, 1971VC connector A/58 and FDIU (2TU) connector AA/9E, 1971VC connector A/59 and FDIU (2TU) connector AA/9F, 1971VC connector A/54 and FDIU (2TU) connector AB/9A.

 (1) If the fault continues:

 - replace the DFDR (1TU) (Ref. AMM TASK 31-33-55-000-001) and (Ref. AMM TASK 31-33-55-400-002).

 (2) If the fault continues:

 - replace the FDIU (2TU) (Ref. AMM TASK 31-33-34-000-001) and (Ref. AMM TASK 31-33-34-400-001).
　
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