R **ON A/C ALL
TASK 34-13-81-810-817
Only the NAV ADR1 FAULT ECAM Warning is shown in the POST FLIGHT REPORT (PFR)
1. Possible Causes
_______________
- ADIRU-1 (1FP1)
- CDU-ADIRS (2FP)
- wiring between the ADIRS CDU (2FP) and 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)
ASM 34-13/02
3. Fault Confirmation
__________________
A. Test
(1) Not applicable, you cannot confirm this fault on the ground.
4. Fault Isolation
_______________
A. If the POST FLIGHT REPORT gives the NAV ADR1 FAULT ECAM warning:
- do a check of the status of the ADR1 pushbutton switch on the ADIRS CDU.
(1) If the pilot pushed the ADR1 pushbutton switch during the flight:
- no maintenance action is necessary.
(2) If the pilot did not push the ADR1 pushbutton switch during the flight:
- remove the ADIRU-1 (1FP1) (Ref. AMM TASK 34-12-34-000-001)
- remove the CDU-ADIRS (2FP) (Ref. AMM TASK 34-12-12-000-001)
- do a check for a short to ground on the wiring between the ADIRS CDU (2FP) and the ADIRU1 (1FP1) between pin A/9 of the ADIRS CDU and pin AA/4C of the ADIRU1 (Ref. ASM 34-13/02).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞34-13-81∞∞∞∞∞∞∞∞∞∞Page 218
May 01/00 CES
(a) If there is a short to ground:
- repair the above wiring
- install the ADIRU1 (Ref. AMM TASK 34-12-34-400-001)
- install the ADIRS CDU (Ref. AMM TASK 34-12-12-400-001).
(b) If there is no short to ground:
- install a new ADIRS CDU
- install the ADIRU1.
1 If the fault continues:
_
- replace the ADIRU1. R
TASK 34-13-81-810-819
Only the NAV ADR2 FAULT ECAM Warning is shown in the POST FLIGHT REPORT (PFR)
1. Possible Causes_______________
R - ADIRU-2 (1FP2) - CDU-ADIRS (2FP) - wiring between the ADIRS CDU (2FP) and the ADIRU2 (1FP2)
2. Job Set-up Information______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
RRR AMM AMM AMM AMM AMM ASM 34-10-00-860-005 34-12-12-000-001 34-12-12-400-001 34-12-34-000-001 34-12-34-400-001 34-13/02 ADIRS Stop Procedure Removal of the ADIRS CDU (2FP)Installation of the ADIRS CDU (2FP)Removal of the ADIRU (1FP1, 1FP2, 1FP3)Installation of the ADIRU (1FP1, 1FP2, 1FP3)
3. Fault Confirmation__________________
A. Test
(1) Not applicable, you cannot confirm this fault on the ground.
4. Fault Isolation_______________
R
A. If the POST FLIGHT REPORT gives the NAV ADR2 FAULT ECAM warning: - do a check of the status of the ADR2 pushbutton switch on the ADIRS CDU.
(1) If the pilot pushed the ADR2 pushbutton switch during the flight: - no maintenance action is necessary.
(2) If the pilot did not push the ADR2 pushbutton switch during the flight:
- remove the ADIRU-2 (1FP2) (Ref. AMM TASK 34-12-34-000-001)
- remove the CDU-ADIRS (2FP) (Ref. AMM TASK 34-12-12-000-001)
- do a check for a short to ground on the wiring between the ADIRS CDU (2FP) and the ADIRU2 (1FP2) between pin B/9 of the ADIRS CDU and pin AA/4C of the ADIRU2 (Ref. ASM 34-13/02).
(a) If there is a short to ground:
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本文鏈接地址：A320 Trouble Shooting Manual 排故手冊(cè) 導(dǎo)航 NAVIGATION 2(17)
