Reactivation of the Aileron Servo Control

TASK 27-14-00-440-001-A
Reactivation of the Aileron Servo Control

ZONE: 575
ZONE: 675
FIN: 33CE1
FIN: 33CE2
FIN: 33CE3
FIN: 33CE4

1. Reason for the Job
MMEL 27-14-01A
LEFT AILERON BLUE SERVO-CONTROL (CONTROLLED BY ELAC 1)
MMEL 27-14-02A
LEFT AILERON GREEN SERVO-CONTROL (CONTROLLED BY ELAC 2)
MMEL 27-14-03A
RIGHT AILERON GREEN SERVO-CONTROL (CONTROLLED BY ELAC 1)
MMEL 27-14-04A
RIGHT AILERON BLUE SERVO-CONTROL (CONTROLLED BY ELAC 2)
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific	1	ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	WARNING NOTICE(S)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
575	AFT OUTBD SE OF WING AND TE FIXED STRUCT
675	AFT OUTBD SE OF WING AND TE FIXED STRUCT
575KB, 675KB, 822

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-41-00-861-002-A	Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01	Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02	Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 24-41-00-862-002-A	De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01	De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02	De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 27-14-00-710-001-A	Operational Test of the Aileron and Hydraulic Actuation
TASK 29-10-00-864-001-A	Depressurize the Green Hydraulic System
TASK 29-10-00-864-003-A	Depressurize the Blue Hydraulic System
Deactivation/Reactivation of the Aileron Servocontrol

3. Job Set-up
Subtask 27-14-00-860-059-A

A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
(2) Make sure that the hydraulic systems are depressurized (Ref. AMM TASK 29-10-00-864-001) (Ref. AMM TASK 29-10-00-864-003).
(3) Put a WARNING NOTICE(S) in the cockpit to tell persons not to operate the flight controls.

Subtask 27-14-00-010-053-A

B. Get Access
(1) Put the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE in position:
(a) at the zone 575 for the left aileron,
(b) at the zone 675 for the right aileron.
(2) Open the access door:
(a) 575KB for the left aileron,
(b) 675KB for the right aileron.
(3) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at the access door 822.
(4) Open the access door 822.
(5) On the battery power center 105VU:

loosen the two screws and remove the protective cover.

Subtask 27-14-00-865-059-A

C. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/ELAC1/NORM/SPLY	15CE1	B11
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/ELAC1/NORM/SPLY	15CE1	B06
** ON A/C ALL
105VU	FLIGHT CONTROLS/ELAC2/STBY SPLY	16CE2	A02
105VU	FLT CTL/ELAC1/STBY SPLY	16CE1	A01
121VU	FLIGHT CONTROLS/ELAC2/NORM/SPLY	15CE2	R20

4. Procedure
Subtask 27-14-00-440-050-A

A. Reactivation of the Aileron Servo-Control
(1) Remove the tie-wraps.
(2) Remove the blanking caps from the electrical connector (1) and the receptacle (2).
(3) Connect the connector (1) to the receptacle (2).

Subtask 27-14-00-865-060-A

B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/ELAC1/NORM/SPLY	15CE1	B11
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/ELAC1/NORM/SPLY	15CE1	B06
** ON A/C ALL
105VU	FLIGHT CONTROLS/ELAC2/STBY SPLY	16CE2	A02
105VU	FLT CTL/ELAC1/STBY SPLY	16CE1	A01
121VU	FLIGHT CONTROLS/ELAC2/NORM/SPLY	15CE2	R20

Subtask 27-14-00-710-054-A

C. Do the operational test of the ailerons (Ref. AMM TASK 27-14-00-710-001).

Subtask 27-14-00-810-050-A

D. Do the trouble shooting for the servocontrol you deactivated:

If there is a message, do the trouble shooting procedure related to the maintenance message.

5. Close-up
Subtask 27-14-00-860-060-A

A. Put the aircraft back to its initial configuration.
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the WARNING NOTICE(S).
(3) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).

Subtask 27-14-00-410-053-A

B. Close Access
(1) Close the access door:
(a) 575KB for the left aileron,
(b) 675KB for the right aileron.
(2) Install the protective cover on the battery power center 105VU.
(3) Tighten the two screws.
(4) Close the access door 822.
(5) Remove the access platform(s).

[Rev.10 from 2021] 2026.03.31 23:47:19 UTC