- 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

 - ELAC1 OR WIRING FROM L ELEV POS MON XDCR

 - ELAC1 OR WIRING FROM R ELEV POS MON XDCR

 「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 A237
 May 01/05R CES

 INTENTIONALLY BLANK

 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R ∞∞27-93-00∞∞∞∞∞∞∞∞∞∞Page A238

 - 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-
810-813).

 4. Fault Isolation
_______________
 A. If the test gives the maintenance message: ELAC 1 OR WIRING TO L G ELEV MODE XDCR 34CE1
 - replace the ELAC-1 (2CE1) (Ref. AMM TASK 27-93-34-000-001) and (Ref. AMM TASK 27-93-34-400-001).
 (1) If the fault continues:
 - do a check and repair the wiring of the MODE XDCR (ANI 7-1) signal from the ELAC 1 (2CE1) MON part to the first terminal block (Ref. ASM 27-93/07) .
 B. Do the test 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 A239
 Feb 01/03R
 CES  Failure of the Left Green Elevator Servocontrol Actuator Solenoid Valve

 CAUTION : DO NOT SWAP FLIGHT CONTROL COMPUTERS. IF THERE IS A SHORT CIRCUIT,
_______ YOU WILL CAUSE DAMAGE TO A SERVICEABLE COMPUTER WHEN YOU SWAP THEM.
 1. Possible Causes
_______________
 - SERVO CTL-L ELEVATOR, INBD G (34CE1)

 - ELAC-1 (2CE1)

 - solenoid valve of the servocontrol 34CE1

 - wiring of the SOL VLV1 signal from the servocontrol (34CE1) to the ELAC1 (2CE1)

 - wiring from the ELAC1 (2CE1) COM part to the ELAC1 COM part

 - wiring from the ELAC1 (2CE1) COM part to the ELAC1 MON part

 - wiring from the ELAC1 (2CE1) MON part pins AE/13A and AE/10C to the first terminal block

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 27-34-51-000-001 Removal of the Elevator Servo Control
 AMM 27-34-51-000-005 Removal of the Elevator Servo Control Actuator
 Solenoid Valve
 AMM 27-34-51-400-001 Installation of the Elevator Servo Control
 AMM 27-34-51-400-004 Installation of the Elevator Servo Control Actuator
 Solenoid Valve
 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 27-96-00-710-020 Operational Test of the Side Stick Assembly
 (Activation for the BITE Test)
 AMM 27-96-00-740-001 BITE Test of the EFCS (Ground Scanning)
 ASM 27-93/07
 3. Fault Confirmation
__________________
 A. Test
 (1) Do the operational test of the side stick assembly (Activation for the BITE test) (Ref. AMM TASK 27-96-00-710-020).
 NOTE : Before you start the operational test procedure, release the
____ FLT CTL/ELAC2 pushbutton switch (on this pushbutton switch, the OFF legend comes on).
 Feb 01/03R CES

 (2) Do the BITE test of the EFCS (Ground Scanning) (Ref. AMM TASK 27-96-00-740-001).
 4. Fault Isolation
_______________
 A. If the tests give the maintenance message L G ELEV MODE VLV 34CE1:
 (1) Remove the ELAC1 (Ref. AMM TASK 27-93-34-000-001).
　
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