Incorrect Position of the Right Spoiler 1

TASK 27-60-00-810-817-A
Incorrect Position of the Right Spoiler 1

1. Possible Causes

SEC-3 [1CE3]
SERVO CTL-SPLR1, R G [31CE2]
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
AWM 279403
ASM 279404
AWM 279404
AWM 279406
AMM 27-94-34-000-001	Removal of the SEC
AMM 27-94-34-400-001	Installation of the SEC
AMM 27-96-00-740-001	BITE Test of the EFCS (Ground Scanning)
AMM 29-10-00-863-001	Pressurize the Green Hydraulic System with a Hydraulic Ground Power-Cart
AMM 29-10-00-864-001	Depressurize the Green Hydraulic System

3. Fault Confirmation
Subtask 27-60-00-860-064-A

A. Job Set-Up
(1) Pressurize the Green hydraulic system AMM 29-10-00-863-001.
(2) Pull the speedbrake control lever (7CE) up to the armed position on the panel 11VU.

Subtask 27-60-00-740-064-A

B. Test
(1) Do the BITE test of the EFCS (Ground Scanning) AMM 27-96-00-740-001.

Subtask 27-60-00-860-065-A

C. Put the aircraft back to its initial configuration.
(1) Depressurize the Green hydraulic system AMM 29-10-00-864-001.
(2) Disarm the speedbrake control lever (7CE) on the panel 11VU.

4. Fault Isolation
Subtask 27-60-00-810-066-B

A. If the BITE test gives the maintenance message:
R SPLR 1 POS ERROR 31CE2
(1) Make sure that the maintenance device of the spoiler servocontrol is in the " O " position AMM 27-60-00-866-002.
(2) If the fault continues:

replace the SEC-3 [1CE3] , AMM 27-94-34-000-001 and AMM 27-94-34-400-001.

(3) If the fault continues:

replace the SERVO CTL-SPLR1, R G [31CE2] , AMM 27-64-51-000-004 and AMM 27-64-51-400-004.

(4) If the fault continues:
(a) Do a check of the wiring of the ANI 2-5 signal from the SEC 3 (1CE3) MON part to COM part, ASM 279404, AWM 279404, AWM 279406

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 2-5 signal from the SEC 3 (1CE3) MON part to the servocontrol (31CE2), ASM 279404, AWM 279404, AWM 279406

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 (31CE2) to the SEC 3 (1CE3), ASM 279404, AWM 279403, AWM 279404.

Subtask 27-60-00-740-065-A

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:27:43 UTC