- replace the XCVR-WEATHER RADAR, 1 (1SQ1) (Ref. AMM TASK 34-41-33-000-004) and (Ref. AMM TASK 34-41-33-400-003).
(1) If the fault continues:
- swap the ADIRU-1 (1FP1) and the ADIRU2 (Ref. AMM TASK 34-12-34-000-001) and (Ref. AMM TASK 34-12-34-400-001).
(a) If the fault stops:
- replace the ADIRU that you installed on side 2.
(b) If the fault continues:
- swap back the ADIRU1 and the ADIRU2
- swap the ADIRU-3 (1FP3) and the ADIRU2 (Ref. AMM TASK 34-12-34-000-001) and (Ref. AMM TASK 34-12-34-400-001).
1_ If the fault stops:
- replace the ADIRU that you installed on side 2.
2_ If the fault continues:
- remove the weather radar transceiver 1
- remove the ADIRU1 and the ADIRU3
- do a check and repair the wiring from the ADIRU1 to the
weather radar transceiver 1: from pins AB/10C, 11C of the
ADIRU1 to pins AB/11J, 12J of the weather radar transceiver
1 (Ref. ASM 34-41/01) and the wiring from the ADIRU3 to the
weather radar transceiver 1: from pins AB/10C, 11C of the
ADIRU3 to pins AB/12G, 13G of the weather radar transceiver
1.
- install the weather radar transceiver 1
- install the ADIRU1 and the ADIRU3.
B. Do the test given in Para. 3.
Loss of the IR Interface between the WXR Transceiver 2 and the ADIRU 2 + 3
1. Possible Causes
_______________
- XCVR-WEATHER RADAR, 2 (1SQ2)
- ADIRU-2 (1FP2)
- ADIRU-3 (1FP3)
- wiring from the ADIRU2 to the weather radar transceiver 2
- wiring from the ADIRU3 to the weather radar transceiver 2
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION
-------------------------------------------------------------------------------
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 34-41-00-740-002 BITE Test of the Weather Radar
AMM 34-41-33-000-004 Removal of the Weather Radar Transceiver (1SQ1, 1SQ2)
AMM 34-41-33-400-003 Installation of the Weather Radar Transceiver (1SQ1,
1SQ2) ASM 34-41/01
3. Fault Confirmation
__________________
A. Test
NOTE : Do the test that follows with the ATT HDG selector switch (13FP),
____
on the SWITCHING panel 8VU, at NORM then at F/O ON 3.
Do the BITE test of the weather radar (Ref. AMM TASK 34-41-00-740-002).
4. Fault Isolation
_______________
A. If the test gives the maintenance message ADIRU2+3(1FP2+3) BUS
IR/WXR2(1SQ2):
- replace the XCVR-WEATHER RADAR, 2 (1SQ2) (Ref. AMM TASK 34-41-33-000-004) and (Ref. AMM TASK 34-41-33-400-003).
(1) If the fault continues:
- swap the ADIRU-2 (1FP2) and the ADIRU1 (Ref. AMM TASK 34-12-34-000-001) and (Ref. AMM TASK 34-12-34-400-001).
(a) If the fault stops:
- replace the ADIRU that you installed on side 1.
(b) If the fault continues:
- swap back the ADIRU1 and the ADIRU2
- swap the ADIRU-3 (1FP3) and the ADIRU1 (Ref. AMM TASK 34-12-34-000-001) and (Ref. AMM TASK 34-12-34-400-001).
1_ If the fault stops:
- replace the ADIRU that you installed on side 1.
2_ If the fault continues:
- remove the weather radar transceiver 2
- remove the ADIRU2 and the ADIRU3
- do a check and repair the wiring from the ADIRU2 to the
weather radar transceiver 2: from pins AB/5E, 6E of the
ADIRU2 to pins AB/11J, 12J of the weather radar transceiver
2 (Ref. ASM 34-41/01) and the wiring from the ADIRU3 to the
weather radar transceiver 2: from pins AB/5E, 6E of the
ADIRU3 to pins AB/12G, 13G of the weather radar transceiver
2.
- install the weather radar transceiver 2
- install the ADIRU2 and the ADIRU3.
B. Do the test given in Para. 3.
Result of the BITE Test of the Weather Radar 1 not Satisfactory on CAPT ND/PFD
1. Possible Causes
_______________
- DMC-1 (1WT1)
- XCVR-WEATHER RADAR, 1 (1SQ1)
2. Job Set-up Information
______________________
A. Referenced Information
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：A320 Trouble Shooting Manual 排故手册 导航 NAVIGATION 3(24)
