Loss of the Right Spoiler 1 Position Signal for the SEC 3
1. Possible Causes
_______________
- SEC-3 (1CE3)
- wiring of the ANI 2-5 signal from the SEC 3 (1CE3) to the first terminal block
2. Job Set-up Information
______________________
A. Referenced Information
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REFERENCE DESIGNATION
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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) AMM 29-10-00-863-001 Pressurize the Green Hydraulic System AMM 29-10-00-864-001 Depressurize the Green Hydraulic System ASM 27-94/04
3. Fault Confirmation
__________________
A. Job Set-Up
(1) Pressurize the Green hydraulic system (Ref. AMM TASK 29-10-00-863-001).
(2) Pull the speedbrake control lever (7CE) up to the armed position on the panel 11VU.
B. Test
(1) Do the BITE test of the EFCS (Ground scanning) (Ref. AMM TASK 27-96-00-740-001).
C. Put the aircraft back to its initial configuration
(1) Depressurize the Green hydraulic system (Ref. AMM TASK 29-10-00-864-001).
(2) Disarm the speedbrake control lever (7CE) on the panel 11VU.
4. Fault Isolation
_______________
A. If the BITE test gives the maintenance message: SEC 3 COM OR WIRING FROM R SPLR 1 POS XDCR 31CE2 or SEC 3 MON OR WIRING FROM R SPLR 1 POS XDCR 31CE2
- replace the SEC-3 (1CE3), (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 and repair the wiring of the ANI 2-5 signal from the SEC 3 (1CE3) to the first terminal block COM part or MON part of the computer (Ref. ASM 27-94/04).
B. Do the test given in Para. 3.
Failure of the Right Spoiler 1 Position Transducer
1. Possible Causes_______________
- SERVO CTL-SPLR1, R G (31CE2) - wiring of the POS XDCR SPLY signal from the servo control (31CE2) to the first terminal block - wiring of the POS XDCR V1, V2 signals from the servo control (31CE2) to the first terminal block
2. Job Set-up Information______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R R R R R 27-90-00-810-805 AMM 27-64-51-000-004 AMM 27-64-51-400-004 AMM 27-96-00-740-001 AMM 29-10-00-863-001 AMM 29-10-00-864-001 ASM 27-94/04 Loss of the ACS2 Signal of the SEC3 COM side Removal of the Spoiler Servo-Control 31CE1 thru 31CE10 Installation of the Spoiler Servo-Control 31CE1 thru 31CE10 BITE Test of the EFCS (Ground Scanning)Pressurize the Green Hydraulic SystemDepressurize the Green Hydraulic System
3. Fault Confirmation__________________
A. Job Set-Up
(1) Pressurize the Green hydraulic system (Ref. AMM TASK 29-10-00-863-001).
(2) Pull the speedbrake control lever (7CE) up to the armed position on the panel 11VU.
B. Test
(1) 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: R SPLR 1 POS XDCR 31CE2 - refer to the Para. Fault Isolation.
(b) If the ground scanning gives the maintenance messages: R SPLR 1 POS XDCR 31CE2 L SPLR 1 POS XDCR 31CE1 - refer to this procedure (Ref. TASK 27-90-00-810-805).
C. Put the aircraft back to its initial configuration
(1) Depressurize the Green hydraulic system (Ref. AMM TASK 29-10-00-864-001).
(2) Disarm the speedbrake control lever (7CE) on the panel 11VU.
4. Fault Isolation_______________
R R R R A. If the BITE test gives the maintenance message: R SPLR 1 POS XDCR 31CE2 - replace the SERVO CTL-SPLR1, R G (31CE2), (Ref. AMM TASK 27-64-51-000-004) and (Ref. AMM TASK 27-64-51-400-004).
R R NOTE : The resistance of primary and secondary windings must be between____ 30 ohms and 500 ohms.
R R R R (1) If the fault continues: - do a check and repair the wiring of the POS XDCR SPLY signal from the servo control (31CE2) to the first terminal block, (Ref. ASM 27-94/04).
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