- Command Position Transducer

 - wiring of the XDCR MON SPLY signal from the THS actuator (9CE) to the first terminal block

 - wiring of the XDCR MON V1, V2 signals from the THS actuator (9CE) to the SEC 2 (1CE2)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
27-90-00-810-822 Loss of the ACS1 Signal of the SEC2 MON Side 27-90-00-810-824 Loss of the ACS1 Signal of the ELAC2 MON Side and SEC2 MON Side 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 27-94-34-000-001 Removal of the SEC (1CE1,1CE2,1CE3)
 AMM 27-94-34-400-001 Installation of the SEC (1CE1,1CE2,1CE3)
 AMM 27-96-00-710-022 Operational Test of the THS Actuator Electrical

 Control (Activation for BITE Test)
 AMM 27-96-00-740-001 BITE Test of the EFCS (Ground Scanning)
 ASM 27-94/13

 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 SEC 2.
____
 (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: SEC2 MON OR INPUT OF THS ACTR XDCR3 9CE
 - refer to Para. Fault Isolation.
 「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 ∞∞27-94-00∞∞∞∞∞∞∞∞∞∞Page 276
 Feb 01/03R CES

 (b) If the ground scanning gives at least two maintenance messages of the list below: SEC2 OR WIRING FROM L B ELEV MODE XDCR 34CE3 SEC2 OR WIRING FROM L ELEV POS MON XDCR SEC2 OR WIRING FROM R B ELEV MODE XDCR 34CE4 SEC2 OR WIRING FROM R ELEV POS MON XDCR SEC2 MON OR INPUT OF THS ACTR XDCR3 9CE

 - do this trouble shooting procedure (Ref. TASK 27-90-00-810-822).

 (c) If the ground scanning gives at least two maintenance messages of the list below: L B ELEV MODE XDCR 34CE3 L ELEV POS MON XDCR OF ELAC2/SEC2 R B ELEV MODE XDCR 34CE4 ELAC2 MON OR INPUT OF THS ACTR XDCR1 9CE SEC2 MON OR INPUT OF THS ACTR XDCR3 9CE

 - do this trouble shooting procedure (Ref. TASK 27-90-00-810-824).
 4. Fault Isolation
_______________
 A. If the BITE test gives the maintenance message:
 SEC2 MON OR INPUT OF THS ACTR XDCR3 9CE

 - replace the SEC-2 (1CE2), (Ref. AMM TASK 27-94-34-000-001) and (Ref. AMM TASK 27-94-34-400-001).
 (1) If the fault continues:

 - replace the Monitor Position Transducer, (Ref. AMM TASK 27-44-56-000-001) and (Ref. AMM TASK 27-44-56-400-001).

 (2) If the fault continues:

 - replace the Command Position Transducer, (Ref. AMM TASK 27-44-56-000-001) and (Ref. AMM TASK 27-44-56-400-001).

 (3) If the fault continues:

 - do a check of the wiring of the XDCR MON SPLY signal from the THS actuator (9CE) to the first terminal block, (Ref. ASM 27-94/13).
 (a) If there is no continuity, repair the wiring.

 (b) If there is continuity:

 - do a check and repair the wiring of the XDCR MON V1, V2 signals from the THS actuator (9CE) to the SEC 2 (1CE2), (Ref. ASM 27-94/13).
 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 ∞∞27-94-00∞∞∞∞∞∞∞∞∞∞Page 277
 Feb 01/03R CES

 Loss of the Servo Motor 3 Signal on the THS Actuator for the SEC 2
 1. Possible Causes
_______________
 - SEC-2 (1CE2)

 - motor 3 assembly of the pitch trim actuator

 - wiring of the command signal from the THS actuator (9CE) to the SEC 2 (1CE2)

 - pitch trim actuator

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 27-44-57-000-001 Removal of the Pitch Trim Actuator from the THS Actuator 9CE AMM 27-44-57-000-003 Removal of the Motor Assemblies of the Pitch Trim Actuator AMM 27-44-57-400-001 Installation of the Pitch Trim Actuator to the THS Actuator 9CE AMM 27-44-57-400-003 Installation of the Motor Assemblies of the Pitch
　
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