(b) If after the second check, the residual ground speed is 15 kts or R more, replace the ADIRU2 or ADIRU3 (Ref. AMM TASK 34-12-34-000-R 001) and (Ref. AMM TASK 34-12-34-400-001).

R **ON A/C 051-099, 106-149, 204-299, 301-399, 401-499,

 TASK 34-14-00-810-929
 Loss of the ADIRS CDU Data Input on the ADIRU1
 1. Possible Causes
_______________
 - CDU-ADIRS (2FP)

 - ADIRU-1 (1FP1)

 - wiring of the CDU OUTPUT bus from the ADIRS CDU (2FP) to the ADIRU1 (1FP1)

 - wiring of the CDU DSPL SELECT discrete from the ADIRS CDU (2FP) to the ADIRU1 (1FP1)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 34-12-12-000-001 Removal of the ADIRS CDU (2FP)
 AMM 34-12-12-400-001 Installation of the ADIRS CDU (2FP)
 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
 ASM 34-14/02

 3. Fault Confirmation
__________________
 A. Test
 (1) Do the Interface test of the IR (system 1) (Ref. AMM TASK 34-14-00-740-001).
 4. Fault Isolation
_______________
 A. If the BITE test gives the maintenance message ADIRS CTLPNL (2FP):
 - replace the CDU-ADIRS (2FP) (Ref. AMM TASK 34-12-12-000-001) and (Ref. AMM TASK 34-12-12-400-001).
 (1) If the fault continues:
 - replace the ADIRU-1 (1FP1) (Ref. AMM TASK 34-12-34-000-001) and (Ref. AMM TASK 34-12-34-400-001).
 (a) If the fault continues:
 - do a check of the wiring of the CDU OUTPUT bus from the ADIRS CDU (2FP) to the ADIRU1 (1FP1) (Ref. ASM 34-14/02).
 「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 : 051-099, 106-149, 204-299, 301-399, ∞∞34-14-00∞∞∞∞∞∞∞∞∞∞Page A278
 401-499, Aug 01/05 CES

 1_ If there is no continuity:
 - repair the above wiring.
 2_ If there is continuity:
 - do a check and repair the wiring of the CDU DSPL SELECT
 discrete from the ADIRS CDU (2FP) to the ADIRU1 (1FP1) (Ref.

 ASM 34-14/02).
 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 : 051-099, 106-149, 204-299, 301-399, ∞∞34-14-00∞∞∞∞∞∞∞∞∞∞Page A279
 401-499, Aug 01/05 CES

 Loss of the ADIRS CDU Data Input on the ADIRU2
 1. Possible Causes
_______________
 - CDU-ADIRS (2FP)

 - ADIRU-2 (1FP2)

 - wiring of the CDU OUTPUT bus from the ADIRS CDU (2FP) to the ADIRU2 (1FP2)

 - wiring of the CDU DSPL SELECT discrete from the ADIRS CDU (2FP) to the ADIRU2 (1FP2)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 34-12-12-000-001 Removal of the ADIRS CDU (2FP)
 AMM 34-12-12-400-001 Installation of the ADIRS CDU (2FP)
 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
 ASM 34-14/02

 3. Fault Confirmation
__________________
 A. Test
 (1) Do the Interface test of the IR (system 2) (Ref. AMM TASK 34-14-00-740-001).
 4. Fault Isolation
_______________
 A. If the BITE test gives the maintenance message ADIRS CTLPNL (2FP):
 - replace the CDU-ADIRS (2FP) (Ref. AMM TASK 34-12-12-000-001) and (Ref. AMM TASK 34-12-12-400-001).
 (1) If the fault continues:
 - replace the ADIRU-2 (1FP2) (Ref. AMM TASK 34-12-34-000-001) and (Ref. AMM TASK 34-12-34-400-001).
 (a) If the fault continues:
 - do a check of the wiring of the CDU OUTPUT bus from the ADIRS CDU (2FP) to the ADIRU2 (1FP2) (Ref. ASM 34-14/02).
 1 If there is no continuity:
　
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：A320 Trouble Shooting Manual 排故手冊 導航 NAVIGATION 2(76)