W DOC AIRBUS | TSM A320F

Incorrect Position of the Left Spoiler 4

TASK 27-60-00-810-840-A
Incorrect Position of the Left Spoiler 4

1. Possible Causes
  • SEC-1 [1CE1]
  • SERVO CTL-SPLR4, L Y [31CE7]
  • wiring
2. Job Set-up Information
 A. Referenced Information
REFERENCE
DESIGNATION
AMM 27-60-00-866-002
Extension-Retraction of the Spoilers for Maintenance
AMM 27-64-51-000-004
Removal of the Spoiler Servo Control
AMM 27-64-51-400-004
Installation of the Spoiler Servo Control
ASM 279402
AWM 279415
AMM 27-94-34-000-001
Removal of the SEC
AMM 27-94-34-400-001
Installation of the SEC
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)
3. Fault Confirmation
Subtask 27-60-00-700-112-A
A. Test
   (1) Do the operational test of the side stick assembly (activation for the BITE test) AMM 27-96-00-710-020.
   (2) Do the BITE test of the EFCS (Ground Scanning) AMM 27-96-00-740-001.
4. Fault Isolation
Subtask 27-60-00-810-089-B
A. If the BITE test gives the maintenance message:
L SPLR4 POS ERROR 31CE7
   (1) Make sure that the maintenance device of the spoiler servocontrol is in " O " position AMM 27-60-00-866-002.
   (2) If the fault continues:
   (3) If the fault continues:
   (4) If the fault continues:
     (a) Do a check of the wiring of the ANI 2-6 signal from the SEC 1 (1CE1) MON part to COM part, ASM 279402, AWM 279415
  • if the wiring is correct, do the Para. (b)
  • if the wiring is not correct, repair it.
     (b) Do a check of the wiring of the ANI 2-6 signal from the SEC 1 (1CE1) MON part to the servocontrol (31CE7), ASM 279402, AWM 279415
  • if the wiring is correct, do the Para. (c)
  • if the wiring is not correct, repair it.
     (c) Do a check and repair the wiring of the POS XDCR SPLY signal from the servocontrol (31CE7) to the SEC 1 (1CE1), ASM 279402, AWM 279415.
Subtask 27-60-00-700-113-A
B. Do the tests given in Para. 3.
[Rev.8 from Aug 2018] 2026.04.04 04:27:45 UTC
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