Failure of the Speedbrake Control Transducer-Unit

TASK 27-60-00-810-803-A
Failure of the Speedbrake Control Transducer-Unit

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 27-92-14-000-001	Removal of the Speedbrake Control Transducer-Unit
AMM 27-92-14-400-001	Installation of the Speedbrake Control Transducer-Unit
AMM 27-94-00-710-001	Operational Test of the Spoiler Elevator Computer 3 (SEC 3)
AMM 27-96-00-740-001	BITE Test of the EFCS (Ground Scanning)

3. Fault Confirmation
Subtask 27-60-00-700-054-A

A. Test
(1) Do the operational test of the SEC 3 AMM 27-94-00-710-001.
(2) Do the BITE test of the EFCS (Ground Scanning) AMM 27-96-00-740-001.

4. Fault Isolation
Subtask 27-60-00-810-052-A

A. If the BITE test gives the maintenance message:
SPBK CTL XDCR UNIT 7CE

replace the XDCR UNIT-SPD BRK CTL [7CE] , AMM 27-92-14-000-001 and AMM 27-92-14-400-001.

Subtask 27-60-00-700-055-A

B. Do the operational test and the BITE test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:27:41 UTC