(4000DN) AMM 30-21-51-400-042 Installation of the Engine Air Intake Anti-ice Valve
(4000DN) AMM 36-11-34-000-001 Removal of the BMC (1HA1, 1HA2) AMM 36-11-34-400-001 Installation of the BMC (1HA1, 1HA2) AMM 71-00-00-710-006 Minimum Idle Check AMM 73-21-60-000-001 Removal of the Electronic Control Unit (ECU) AMM 73-21-60-400-001 Installation of the Electronic Control Unit (ECU) ASM 27-51/02 ASM 30-21/02 ASM 73-25/08 AWM 30-21-01 AWM 30-21-02
3. Fault Confirmation
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A. Test
(1) Not applicable.
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4. Fault Isolation
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A. If the failure occurred only in flight and idle speed was correct during ground operation:
- do a check of the PFR and of the SMR for failure messages IDG, FRV (Oil temp).
(1) If there is a failure message:
- do the applicable trouble shooting procedure (TSM CFDS chapter 73).
(2) If there is no message:
- replace the SFCC-1(2) (21CV(22CV)) (Ref. AMM TASK 27-51-34-000-001) and (Ref. AMM TASK 27-51-34-400-001) if the abnormal idle speed (lowest idle after slat/flap extension) was on engine 1(2).
(3) If the fault continues:
- check the electrical wiring between the SFCC1(2) and the EIU-1(2) (1KS1(1KS2)) (Ref. ASM 27-51/02),
- repair as required.
(4) If the fault occurred either during flight or ground operation:
- do a check of the PFR and the SMR for ECAM status EIU and/or for failure messages EIU (031), J3 or ZC, EIU(ECSD), J3 or ZC, EIU(030), J3 or NO EIU 1(2) DATA.
(a) If any message is present:
- do the applicable trouble shooting procedure (TSM CFDS chapter 73 and 21).
(b) If none of those messages is present:
- do a check of the nacelle anti-ice pushbutton switch (2DN1(2DN2)) on the engine which has the highest idle speed as follows:
R 1_ Check that with pushbutton switch selected OFF, ground isR present at pin AA/B2 (Ref. ASM 73-25/08).
a If there is no ground:
_
- replace the P/BSW-ANTI ICE/ENG 1 (2DN1) (Ref. AWM 30-21-01) (P/BSW-ANTI ICE/ENG 2 (2DN2) (Ref. AWM 30-21-02)).
b If ground is present:
_
- check that there is no ground at wire connected to pin AA/C2 of the pushbutton switch (Ref. ASM 30-21/02).
c If ground is present:
_
- replace associated nacelle anti-ice valve 4000DN (Ref. AMM TASK 30-21-51-000-041) and (Ref. AMM TASK 30-21-51-400-042) or repair wiring.
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- look for warning failure message including the following words TEMP CTL WAI or WING A.ICE in the PFR.
(a) If message or warning is present:
- do the trouble shooting procedure of relevant wing anti-ice valve L (wing anti-ice valve R) (TSM CFDS chapter 30).
(b) If none of those warnings or messages is present:
- do a check of the PFR and of the SMR for failure message PO/P12/T12, ADC, ECU.
1 If message is present:
_
- do the applicable trouble shooting procedure (TSM CFDS chapter 73).
(6) If nothing is found or if the fault continues after application of the above steps:
- replace the BMC-1(2) (1HA1(2)) (Ref. AMM TASK 36-11-34-000-001) and (Ref. AMM TASK 36-11-34-400-001).
(7) If the fault continues:
- replace the ECU (4000KS) (Ref. AMM TASK 73-21-60-000-001) and (Ref. AMM TASK 73-21-60-400-001).
B. Do a minimum idle check (Ref. AMM TASK 71-00-00-710-006).
(1) Repeat the fault isolation procedure if the fault continues.
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TASK 73-00-00-810-873
Incorrect Power after Take off on Engine 1 or 2
1. Possible Causes
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- Hydromechanical Unit (HMU)
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