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Failure of the T/R Inhibition System on Engine 2
1. Possible Causes
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- EIU-2 (1KS2)
- RELAY-THRUST REV INHIBITION, ENG2 (14KS2)
- wiring from the EIU-2 (1KS2) to the engine 2 thrust reverser inhibition relay (14KS2)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 73-25-34-000-040 Removal of the Engine Interface Unit (EIU)
(1KS1,1KS2)
AMM 73-25-34-400-040 Installation of the Engine Interface Unit (EIU)
(1KS1,1KS2)
AMM 73-25-34-710-043 Operational Test of the Engine Interface Unit
ASM 73-25/16
ASM 73-25/16
3. Fault Confirmation
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A. Test Do the operational test of the engine interface unit through the CFDS (Ref. AMM TASK 73-25-34-710-043).
4. Fault Isolation
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A. If the test gives the maintenance message CHECK 14KS2 RELAY CIRCUIT OR EIU 2:
- replace the RELAY-THRUST REV INHIBITION, ENG2 (14KS2) (Ref. ASM 73-25/16) and (Ref. ASM 73-25/16).
(1) If the fault continues:
- replace the EIU-2 (1KS2) (Ref. AMM TASK 73-25-34-000-040) and (Ref. AMM TASK 73-25-34-400-040).
(2) If the fault continues:
- do a check and repair the wiring from the EIU-2 (1KS2) to the engine 2 thrust reverser inhibition relay (14KS2) pin AB/10A to pin X of the relay (Ref. ASM 73-25/16) and (Ref. ASM 73-25/16).
B. Do the test given in Para. 3.A.
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Disagree between Data Received from the LGCIU 1
1. Possible Causes
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- EIU-1 (1KS1)
- LGCIU-1 (5GA1)
- wiring from the pins AA/5D, 5E of the EIU-1 (1KS1) to the pins AB/3G, 3K of the LGCIU 1 (5GA1)
2. Job Set-up Information
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A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 32-31-71-000-001 Removal of the LGCIU (5GA1, 5GA2)
AMM 32-31-71-400-001 Installation of the LGCIU (5GA1, 5GA2)
AMM 73-25-34-000-040 Removal of the Engine Interface Unit (EIU)
(1KS1,1KS2) AMM 73-25-34-400-040 Installation of the Engine Interface Unit (EIU) (1KS1,1KS2) ASM 73-25/16
3. Fault Confirmation
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A. Not applicable.
4. Fault Isolation
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A. If the test gives the maintenance message CHECK LGCIU 1 L/G COMP SIGNALS (DISAGREE):
- replace the EIU-1 (1KS1) (Ref. AMM TASK 73-25-34-000-040) and (Ref. AMM TASK 73-25-34-400-040).
(1) If the fault continues:
- replace the LGCIU-1 (5GA1) (Ref. AMM TASK 32-31-71-000-001) and (Ref. AMM TASK 32-31-71-400-001).
(2) If the fault continues:
- do a check and repair the wiring from the pins AA/5D, 5E of the EIU-1 (1KS1) to the pins AB/3G, 3K of the LGCIU 1 (5GA1) (Ref. ASM 73-25/16).
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B. Test
(1) During the subsequent engine start make sure that:
- no ECAM warning or/and amber crosses do not come into view on the ECAM
- the engine idle must not be high
(2) After a subsequent flight make sure that the maintenance message is no more present.
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本文链接地址：A320 Trouble Shooting Manual 排故手册 发动机燃油和控制 2(48)
