(5) If the fault continues:

 - replace the monitor position transducer of the THS actuator (Ref. AMM TASK 27-44-56-000-001) and (Ref. AMM TASK 27-44-56-400-001).
 (6) If the fault continues: R - replace the RLY-PITCH TRIM ACTR MOT 3 SPLY (36CE3) (Ref. IPC R 27920803).
 (7) If the fault continues:
 - do a check of the wiring from the relay (36CE3), pin A/X2 to the ground (Ref. ASM 27-94/13).

 - do a check of the wiring from the relay (36CE3) to the SEC 2 (1CE2), from the pin A/X1 to the pin AE/13E (Ref. ASM 27-94/13).

 (a) 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 ∞∞27-40-00∞∞∞∞∞∞∞∞∞∞Page 211
 Aug 01/00 CES (b) if there is continuity:

 - do a check of the wiring from the THS actuator pin D/J to the ground (Ref. ASM 27-94/13).

 - do a check of the wiring from the relay (36CE3) to the THS actuator (9CE), from the pin A/A1 to the pin D/H (Ref. ASM 27-94/13).

 1 If there is no continuity, repair the wiring.
_

 2 if there is continuity:
_

 - do a check of the wiring from the relay (36CE3) A/A2 to the C/B (19CE3) (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 MOT 3 (V1, V2) signal, from 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 ∞∞27-40-00∞∞∞∞∞∞∞∞∞∞Page 212
 May 01/99R
 CES  Failure of the Override Switch 3

 1. Possible Causes
_______________
 - SEC-2 (1CE2)

 - wiring from the DSI-24 signal of the SEC 2 (1CE2) to the first terminal block

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

 - 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 27-44-57-400-001 Installation of the Pitch Trim Actuator 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)

R  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 BITE test of the EFCS (ground scanning) (Ref. AMM TASK 27-96-00-740-001).
 4. Fault Isolation
_______________
 A. If the BITE test gives the maintenance message:
 THS ACTR OVRD SW3 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:
 - do a check of the wiring from the DSI-24 signal of the SEC 2 (1CE2) to the first terminal block COM part and MON part (Ref. ASM 27-94/13).
 (a) 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 ∞∞27-40-00∞∞∞∞∞∞∞∞∞∞Page 213
 May 01/00 CES (b) If there is continuity:

 - do a check of the wiring from the overriding signal of the THS actuator (9CE) to the first terminal block, (Ref. ASM 27-94/13).
 1_ If there is no continuity, repair the wiring.
 2_ If there is continuity:
 - replace the pitch trim actuator, (Ref. AMM TASK 27-44-57-

000-001) and (Ref. AMM TASK 27-44-57-400-001).
 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 ∞∞27-40-00∞∞∞∞∞∞∞∞∞∞Page 214
 May 01/99R
 CES  Failure of the THS Actuator

 1. Possible Causes
_______________
 - ACTUATOR-THS (9CE) R - position transducer units R - pitch trim actuator
 2. Job Set-up Information
______________________
R A. Fixtures, Tools, Test and Support Equipment
　
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