(b) If there is continuity:
- do a check of the wiring of the DSI-49 signal from the ELAC 2 (2CE2) to the ELAC 2 (2CE2), COM part and MON part (Ref. ASM 27-93/13).
1 If there is no continuity, repair the wiring.
_
「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 ∞∞27-93-00∞∞∞∞∞∞∞∞∞∞Page 275
May 01/01 CES 2 If there is continuity:
_
- do a check of the wiring of the enable signal from the THS actuator (9CE) to the ELAC 2 (2CE2) (Ref. ASM 27-93/13).
a If there is no continuity, repair the wiring.
_
b If there is continuity:
_
- do a check and repair the wiring from the relay (36CE1) to the ELAC 2 (2CE2) and to the THS actuator (9CE) and wiring of the fault signal from the THS actuator to the ELAC 2 (2CE2) (Ref. ASM 27-93/13).
(7) If the fault continues:
R (a) Replace the pich trim actuator (Ref. AMM TASK 27-44-57-000-001) R (Ref. AMM TASK 27-44-57-400-001).
B. Do the tests given in Para. 3.
Failure of the THS Command Transducer 2
1. Possible Causes
_______________
- Command Position Transducer
- wiring of the XDCR COM SPLY signal from the THS actuator (9CE) to the first terminal block
- wiring of the XDCR COM V1, V2 signals from the THS actuator (9CE) to the first terminal block
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
27-90-00-810-819 Loss of the ACS1 Signal of the ELAC1 COM Side and
SEC1 COM Side
31-32-00-810-933 Failure of the Analog Links
AMM 27-44-56-000-001 Removal of the Position Transducer from the THS
Actuator 9CE AMM 27-44-56-400-001 Installation of the Position Transducer to the THS Actuator 9CE AMM 27-96-00-710-022 Operational Test of the THS Actuator Electrical Control (Activation for BITE Test)
R AMM 27-96-00-740-001 BITE Test of the EFCS (Ground Scanning) ASM 27-93/12 ASM 27-94/12
3. Fault Confirmation
__________________
A. Test
(1) Do the operational test of the THS actuator electrical control (Ref. AMM TASK 27-96-00-710-022).
NOTE : Do the ground setting only with the ELAC 1.
____
(2) Do the BITE test of the EFCS (ground scanning) (Ref. AMM TASK 27-96-00-740-001).
(a) If the ground scanning gives the maintenance message: THS ACTR XDCR2 9CE
- refer to Para. Fault Isolation.
(b) If the ground scanning gives at least two maintenance messages of the list below: L B ELEV POS XDCR 34CE3 COM E1/S1 : USE STBY XDCR R B ELEV POS XDCR 34CE4 COM E1/S1 : USE STBY XDCR THS ACTR XDCR2 9CE
- do this trouble shooting procedure (Ref. TASK 27-90-00-810-819).
4. Fault Isolation
_______________
A. If the BITE test gives the maintenance message:
THS ACTR XDCR2 9CE
- replace the Command Position Transducer, (Ref. AMM TASK 27-44-56-000-001) and (Ref. AMM TASK 27-44-56-400-001).
(1) If the fault continues:
- do the trouble shooting procedure (Ref. TASK 31-32-00-810-933) related to the ANI 2-3 analog input signal of the ELAC 1 and SEC 1 (Ref. ASM 27-93/12) and (Ref. ASM 27-94/12).
(2) If the fault continues:
- do a check of the wiring of the XDCR COM SPLY signal from the THS actuator (9CE) to the first terminal block, (Ref. ASM 27-93/12).
(a) If there is no continuity, repair the wiring.
(b) If there is continuity:
- do a check and repair the wiring of the XDCR COM V1, V2 signals from the THS actuator (9CE) to the first terminal block, (Ref. ASM 27-93/12).
B. Do the tests given in Para. 3.
「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 ∞∞27-93-00∞∞∞∞∞∞∞∞∞∞Page 278
May 01/99R
CES Loss of the THS Command Transducer Signal for the ELAC 1
1. Possible Causes
_______________
- ELAC-1 (2CE1)
- wiring from the ANI 2-3 XDCR COM signal of the ELAC 1 (2CE1) to the first terminal block
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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