Loss of the Right Spoiler 4 Position Signal for the SEC 1

TASK 27-60-00-810-836-A
Loss of the Right Spoiler 4 Position Signal for the SEC 1

1. Possible Causes

SEC-1 [1CE1]
wiring of the ANI 2-7 signal from the SEC 1 (1CE1) to the first terminal block

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
ASM 279402
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 27-60-00-700-104-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 27-60-00-810-085-B

A. If the BITE test gives the maintenance message:
SEC1 COM OR WIRING FROM R SPLR4 POS XDCR 31CE8
or
SEC1 MON OR WIRING FROM R SPLR4 POS XDCR 31CE8

replace the SEC-1 [1CE1] , AMM 27-94-34-000-001 and AMM 27-94-34-400-001.

(1) If the fault continues:

do a check and repair the wiring of the ANI 2-7 signal from the SEC 1 (1CE1) to the first terminal block COM part or MON part as shown in the maintenance message ASM 279402.

Subtask 27-60-00-700-105-A

B. Do the tests given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:27:44 UTC