(b) If the ground scanning gives at least two maintenance messages of the list below: L ELEV POS MON XDCR OF ELAC1/SEC1 L G ELEV MODE XDCR 34CE1 R B ELEV POS MON XDCR OF ELAC1/SEC1 R Y ELEV MODE XDCR 34CE2 THS ACTR XDCR2 MON 9CE
 - do this trouble shooting procedure (Ref. TASK 27-90-00-810-820).
 4. Fault Isolation
_______________
 A. If the BITE test gives the maintenance message:
 THS ACTR XDCR2 MON 9CE

 - 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).
 (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 27-93/12).
 (a) If there is no continuity, repair the wiring.

 (b) If there is continuity:

 - do a check and repair the wiring of the XDCR MON 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 282
 May 01/99R
 CES  Loss of the THS Monitor Transducer Signal for the ELAC 1

 1. Possible Causes
_______________
 - ELAC-1 (2CE1)

 - wiring from the ANI 2-3 XDCR MON signal of the ELAC 1 (2CE1) to the first terminal block

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
27-90-00-810-811 Loss of the ACS1 Signal of the ELAC1 COM Side
 27-90-00-810-812 Loss of the ACS1 Signal of the ELAC1 MON Side
 27-90-00-810-813 Loss of the ACS1 of the ELAC1 COM and MON Sides
 AMM 27-93-34-000-001 Removal of the ELAC (2CE1,2CE2)
 AMM 27-93-34-400-001 Installation of the ELAC (2CE1,2CE2)
 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
 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: ELAC1 MON OR WIRING FROM THS ACTR XDCR2 9CE

 - refer to Para. Fault Isolation.

 (b) If the ground scanning gives at least two maintenance messages of the two lists below: First list:

 - ELAC1 COM OR WIRING FROM THS ACTR XDCR2 9CE

 - ELAC1 OR WIRING FROM L B ELEV POS XDCR 34CE3

 - ELAC1 OR WIRING FROM R B ELEV POS XDCR 34CE4 Second list:

 - ELAC1 MON OR WIRING FROM THS ACTR XDCR2 9CE

 「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 283
 Aug 01/99 CES

 - ELAC1 OR WIRING FROM L ELEV POS MON XDCR

 - ELAC1 OR WIRING FROM R ELEV POS MON XDCR

 - ELAC1 OR WIRING FROM L G ELEV MODE XDCR 34CE1

 - ELAC1 OR WIRING FROM R Y ELEV MODE XDCR 34CE2

 1_ First case:
 Combination of maintenance messages of the first list, do this
 trouble shooting procedure (Ref. TASK 27-90-00-810-811).
 2_ Second case:
 Combination of maintenance messages of the second list, do
 this trouble shooting procedure (Ref. TASK 27-90-00-810-812).
 3_ Third case:
 Combination of maintenance messages of the first and second
 lists, do this trouble shooting procedure (Ref. TASK 27-90-00-
　
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