Deactivation of the Spoiler Elevator Computer 3 (SEC)

TASK 27-94-00-040-802-A
Deactivation of the Spoiler Elevator Computer 3 (SEC)

ZONE: 210
FIN: 1CE3

1. Reason for the Job
MMEL 27-94-03P
SEC 3 (FAA ONLY)
MMEL 27-94-01
SPOILER ELEVATOR COMPUTER (SEC) 3 (FAA ONLY)
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	WARNING NOTICE(S)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
210	CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A	De-energize the Ground Service Network Supplied from the External Power

3. Job Set-up
Subtask 27-94-00-861-055-A

A. Aircraft Maintenance Configuration
(1) Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).

Subtask 27-94-00-865-057-A

B. Make sure that this(these) circuit breaker(s) is(are) closed:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
121VU	FLIGHT CONTROLS/SEC3/SPLY	21CE3	Q19

4. Procedure
Subtask 27-94-00-040-051-A

A. Deactivation of the Spoiler Elevator Computer 3 (SEC)

ACTION	RESULT
1.On the overhead panel, on the FLT CTL panel 24VU: Release the SEC3 pushbutton switch.	On the overhead panel, on the FLT CTL panel 24VU: The OFF legend of the SEC3 pushbutton switch comes on.
2.On the circuit breaker panel 121VU: Open, safety and tag this(these) circuit breaker(s): 21CE3. NOTE: The spoilers associated to the SEC3 will be inoperative.

5. Close-up
Subtask 27-94-00-860-059-A

A. Put the aircraft back to its initial configuration.
(1) On the overhead panel, on the FLT CTL panel 24VU, put a WARNING NOTICE(S) on the pushbutton switch SEC3.
(2) Make an entry in the logbook.
(3) De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).

[Rev.10 from 2021] 2026.03.31 23:59:37 UTC