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TASK 73-00-00-810-862
Disagree between the Fuel-Flow Indication and the ECU Output on Engine 2
1. Possible Causes
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- FWC-1 (1WW1)
- FWC-2 (1WW2)
2. Job Set-up Information
______________________
A. Referenced Information
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REFERENCE DESIGNATION
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AMM 31-53-34-000-001 Removal of the Flight Warning Computer (FWC) (1WW1,1WW2) R AMM 31-53-34-400-001 Installation of the Flight Warning Computer (FWC) (1WW1,1WW2) AMM 71-00-00-710-006 Minimum Idle Check
3. Fault Confirmation
__________________
A. Test
(1) Not applicable, the fault is evident.
4. Fault Isolation
_______________
A. If the fault symptom is identified by the ECAM warning message ENG2 FF DISCREPANCY and CHECK message near the FF indication on the upper ECAM display unit:
- replace the FWC-1 (1WW1) (Ref. AMM TASK 31-53-34-000-001) and (Ref. AMM TASK 31-53-34-400-001).
(1) If the fault continues:
- replace the FWC-2 (1WW2).
B. Test
(1) Do a minimum idle check (Ref. AMM TASK 71-00-00-710-006).
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TASK 73-00-00-810-863
Low N1 on Engine 1
1. Possible Causes
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- ECU (4000KS)
2. Job Set-up Information
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A. Referenced Information
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REFERENCE DESIGNATION
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70-00-00-810-801 Engine Failure(s) AMM 71-00-00-710-006 Minimum Idle Check R AMM 73-21-60-000-001 Removal of the Electronic Control Unit (ECU)(4000KS) AMM 73-21-60-400-001 Installation of the Electronic Control Unit R (ECU)(4000KS) AMM 73-29-00-710-040 Operational Test of the FADEC on the ground (with Engine Motoring)
3. Fault Confirmation
__________________
A. Do a minimum idle check (Ref. AMM TASK 71-00-00-710-006).
4. Fault Isolation
_______________
A. If the check confirms the fault:
(1) Do a check of the PS3 and PS12 sense lines to make sure that there are no leaks.
(2) Do an operational test of the FADEC on the ground (with engine motoring) to do a check of the VSV/VBV position (Ref. AMM TASK 73-29-00-710-040).
(3) Replace the ECU (4000KS) (Ref. AMM TASK 73-21-60-000-001) and (Ref. AMM TASK 73-21-60-400-001).
(4) Do the trouble shooting procedure (Ref. TASK 70-00-00-810-801).
B. Do the test given in Para. 3.A.
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TASK 73-00-00-810-864
Low N1 on Engine 2
1. Possible Causes
_______________
- ECU (4000KS)
2. Job Set-up Information
______________________
A. Referenced Information
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REFERENCE DESIGNATION
-------------------------------------------------------------------------------
70-00-00-810-801 Engine Failure(s) AMM 71-00-00-710-006 Minimum Idle Check R AMM 73-21-60-000-001 Removal of the Electronic Control Unit (ECU)(4000KS) AMM 73-21-60-400-001 Installation of the Electronic Control Unit R (ECU)(4000KS) AMM 73-29-00-710-040 Operational Test of the FADEC on the ground (with Engine Motoring)
3. Fault Confirmation
__________________
A. Do a minimum idle check (Ref. AMM TASK 71-00-00-710-006).
4. Fault Isolation
_______________
A. If the check confirms the fault:
(1) Do a check of the PS3 and PS12 sense lines to make sure that there are no leaks.
(2) Do an operational test of the FADEC on the ground (with engine motoring) to do a check of the VSV/VBV position (Ref. AMM TASK 73-29-00-710-040). 中國(guó)航空網(wǎng) www.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：A320 Trouble Shooting Manual 排故手冊(cè) 發(fā)動(dòng)機(jī)燃油和控制 1(26)
