Removal of the Aileron-Hinge Support Frames 1, 2, 3, 4 and 5

TASK 57-51-31-000-001-A
Removal of the Aileron-Hinge Support Frames 1, 2, 3, 4 and 5

WARNING: PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:

THE FLIGHT CONTROLS
THE FLIGHT CONTROL SURFACES
THE LANDING GEAR AND THE RELATED DOORS
COMPONENTS THAT MOVE.

MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.

WARNING: MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.

CAUTION: BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING EDGE:

DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE RACEWAYS.
DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE INSTALLATIONS.
MAKE SURE THAT THE ELECTRICAL CABLES ARE INSTALLED CORRECTLY. INCORRECT INSTALLATION CAN CAUSE DAMAGE.

1. Reason for the Job
Self Explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 3M (10 FT)
No specific	AR	SAFETY BARRIER(S)
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	WARNING NOTICE(S)
98D27803500001	1	LOCKING TOOL ZERO POS

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
575AT, 575JB, 575KB, 575LB, 575MB, 675AT, 675JB, 675KB, 675LB, 675MB

C. Referenced Information

REFERENCE	DESIGNATION
TASK 12-34-24-869-002-A	Aircraft Grounding (Earthing) for the Maintenance Operations
TASK 12-34-24-869-002-A-01	Aircraft Grounding (Earthing) during Transit, Turnaround or Overnight Stop
TASK 27-14-41-000-001-A	Removal of the Aileron
TASK 27-50-00-866-009-A	Retraction of the Flaps on the Ground
TASK 27-50-00-866-009-A-01	Retraction of the Flaps/Slats on the Ground
TASK 29-10-00-864-001-A	Depressurize the Green Hydraulic System
TASK 29-10-00-864-003-A	Depressurize the Blue Hydraulic System
TASK 29-14-00-614-001-A	Depressurization of the Hydraulic Reservoirs
TASK 57-51-37-000-005-A	Removal of the Access Panels 575KB(675KB), 575LB(675LB), 575MB(675MB)
TASK 57-51-37-000-006-A	Removal of the Access Panel 575JB(675JB)
TASK 57-51-37-000-007-A	Removal of the Access Panel
Aileron-Hinge Support Frames 1, 2 and 3 - Location and Detail
Aileron-Hinge Support Frames 4 and 5 - Location and Detail

3. Job Set-up
Subtask 57-51-31-941-050-A

A. Safety Precautions
(1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(2) Put WARNING NOTICE(S) in the cockpit to tell persons not to operate the flaps or slats.

Subtask 57-51-31-860-050-A

B. Aircraft Maintenance Configuration

WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.

(1) Make sure that the flaps are retracted fully (Ref. AMM TASK 27-50-00-866-009).
(2) Install the 98D27803500001 LOCKING TOOL ZERO POS on the flap slat control lever.
(3) Make sure the aicraft is electrically grounded (Ref. AMM TASK 12-34-24-869-002).
(4) Depressurise the Green and the Blue hydraulic systems (Ref. AMM TASK 29-10-00-864-001) and (Ref. AMM TASK 29-10-00-864-003).
(5) Depressurise the applicable hydraulic reservoir (Ref. AMM TASK 29-14-00-614-001).
(6) Remove the safety collar from the circuit breakers 9CV and 11CV.

Subtask 57-51-31-865-050-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
49VU	FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1	5CV	B06
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/ELAC1/NORM/SPLY	15CE1	B06
49VU	FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1	5CV	B01
** ON A/C ALL
105VU	FLIGHT CONTROLS/ELAC2/STBY SPLY	16CE2	A02
105VU	FLT CTL/ELAC1/STBY SPLY	16CE1	A01
121VU	FLIGHT CONTROLS/WTB/SLT/SYS2	11CV	P19
121VU	FLIGHT CONTROLS/SLT/CTL/SYS2	7CV	R21
121VU	FLIGHT CONTROLS/ELAC2/NORM/SPLY	15CE2	R20
122VU	FLIGHT CONTROLS/WTB/SLT/SYS1	9CV	S06

Subtask 57-51-31-010-050-A

D. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT) in position below the applicable aileron, zone 575(675).
(2) Remove the applicable access panels:
(a) For the left wing remove:

(b) For the right wing remove:

(3) Remove the applicable aileron (Ref. AMM TASK 27-14-41-000-001).

4. Procedure

CAUTION: BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING EDGE:

DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE RACEWAYS.
DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE INSTALLATIONS.
MAKE SURE THAT THE ELECTRICAL CABLES ARE INSTALLED CORRECTLY. INCORRECT INSTALLATION CAN CAUSE DAMAGE.

Subtask 57-51-31-020-050-E

A. Removal of the Aileron-Hinge Support Frames 1, 2 and 3
(1) Remove and discard the cotter pins (2), (4), (10), (15), (18), (22) and (26).
(2) Remove and retain the nut (3) and the bolt (1). Disconnect the strut (32) at its rear end.
(3) Make a note of the quantity of washers (6), (9) and (14) between the tie-beam assembly (31) and the support frames (7), (12) and (17).
(4) Remove and retain the nuts (5), (11) and (16) and the bolts (8), (13) and (33). Remove and retain the tie-beam assembly (31) and the washers (6), (9) and (14) from the support frames (7), (12) and (17).
(5) Remove and retain the items that follow:

the nuts (19), (23) and (27)
the washers (20), (24), (28)
the bolts (21), (25) and (30)
the support frames (7), (12) and (17).

NOTE: The bracket (29) must stay in position.

Subtask 57-51-31-020-051-B

B. Removal of the Aileron-Hinge Support Frames 4 and 5
(1) Remove and discard the cotter pins (11) and (14).
(2) Remove and retain the nuts (5) and (6) and the bolts (3) and (9). Disconnect the bonding leads (2), (7) and (10) from the support frames (4) and (8).
(3) Remove and retain the items that follow:

the nuts (12) and (15)
the bolts (1) and (13)
the support frames (4) and (8).

[Rev.10 from 2021] 2026.04.01 02:15:12 UTC