Detailed Inspection of Outer-Wing Flap-Track-Beams 2, 3, 4 Lower Flanges and Lower Channel

TASK 57-26-00-200-005-A
Detailed Inspection of Outer-Wing Flap-Track-Beams 2, 3, 4 Lower Flanges and Lower Channel

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.

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.

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.

ZONE: 530
ZONE: 630

1. Reason for the Job
Refer to the MPD TASK: 572604-01

NOTE: The effectivity of this task is ALL. To know if this task is applicable for your aircraft, refer to the MPD task applicability and the weight variant data given in the SRM introduction.

2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific	AR	SAFETY BARRIER(S)
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	WARNING NOTICE(S)
98D27803000000	1	LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
530	L WG FLAP TAB, FLAP TRACK FAIR & WG TIP
630	RIGHT WING FLAP TRACK FAIR AND WING TIP
531CB, 532CB, 533CB, 631CB, 632CB, 633CB
531AB, 531BB, 532AB, 532BB, 533AB, 533BB, 631AB, 631BB, 632AB, 632BB, 633AB, 633BB
531EB, 532EB, 533EB, 631EB, 632EB, 633EB

D. Referenced Information

REFERENCE	DESIGNATION
TASK 27-50-00-866-008-A	Extension of the Flaps on the Ground
TASK 27-50-00-866-008-A-01	Extension of the Flaps/Slats on the Ground
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 57-55-11-000-001-A	Removal of the Flap Track Fairings Nos. 2, 3 and 4
TASK 57-55-11-000-004-A	Removal of the Flap Track Fairings Nos. 2, 3 and 4
TASK 57-55-11-400-001-A	Installation of the Flap Track Fairings Nos. 2, 3 and 4
TASK 57-55-11-400-004-A	Installation of the Flap Track Fairings Nos. 2, 3 and 4
SRM 575133	(for corrective action)
Flap Track Beams 2, 3 and 4 - Track Lower-Flanges and Channel

3. Job Set-up
Subtask 57-26-00-941-057-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 57-26-00-866-056-A

B. Aircraft Maintenance Configuration
(1) Fully extend the flaps (Ref. AMM TASK 27-50-00-866-008).
(2) Make sure that the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION is on the flap/slat control lever.

Subtask 57-26-00-865-056-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
49VU	FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1	6CV	B07
121VU	FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2	8CV	Q21

Subtask 57-26-00-010-057-A ** ON A/C NOT FOR ALL

D. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE below the applicable wing trailing edge at flap tracks 2, 3 and 4, zones 531(631), 532(632) and 533(633).
(2) Remove the applicable flap track fairing access panels (Ref. AMM TASK 57-55-11-000-001):
(a) For the flap track 2:

for the left wing, remove 531AB 531BB 531CB
for the right wing, remove 631AB 631BB 631CB.

(b) For the flap track 3:

for the left wing, remove 532AB 532BB 532CB
for the right wing, remove 632AB 632BB 632CB.

for the left wing, remove 533AB 533BB 533CB
for the right wing, remove 633AB 633BB 633CB.

NOTE: If you can see all the area to be inspected with the fairing access panels (531CB (631CB) 532CB (632CB) 533CB (633CB)) installed, then it is not necessary to remove them.

Subtask 57-26-00-010-057-B ** ON A/C NOT FOR ALL

for the left wing, remove 531CB 531EB
for the right wing, remove 631CB 631EB.

(b) For the flap track 3:

for the left wing, remove 532CB 532EB
for the right wing, remove 632CB 632EB.

for the left wing, remove 533CB 533EB
for the right wing, remove 633CB 633EB.

NOTE: if you can see all the area to be inspected with the fairing access panels (531CB (631CB) 532CB (632CB) 533CB (633CB)) installed, then it is not necessary to remove them.

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 57-26-00-110-057-A

A. Preparation for Inspection
(1) Use a Textile-Lint free Cotton - (Material No.14SBA1) , made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) to clean the applicable flap track beam.

Subtask 57-26-00-210-056-A

B. Detailed Inspection of Outer-Wing Flap-Track-Beams 2, 3, 4 Lower Flanges and Lower Channel
(1) Examine the lower flanges and the channel of the applicable flap track beam. Make sure that:

there is no corrosion
there are no cracks
there is no damage
there are no loose fasteners or rivets
the surface protection is in the correct condition.

NOTE: If necessary, refer to the SRM 575133 for permitted damage limits and related repair instructions.

5. Close-up
Subtask 57-26-00-410-058-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION from the flap/slat control lever.
(3) Fully retract the flaps (Ref. AMM TASK 27-50-00-866-009).
(4) Install the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION on the flap/slat control lever.
(5) Install the applicable fairing access panels (Ref. AMM TASK 57-55-11-400-001):
(a) For the flap track 2:

for the left wing, install 531AB 531BB 531CB
for the right wing, install 631AB 631BB 631CB.

(b) For the flap track 3:

for the left wing, install 532AB 532BB 532CB
for the right wing, install 632AB 632BB 632CB.

for the left wing, install 533AB 533BB 533CB
for the right wing, install 633AB 633BB 633CB.

Subtask 57-26-00-410-058-B ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION from the flap/slat control lever.
(3) Fully retract the flaps (Ref. AMM TASK 27-50-00-866-009).
(4) Install the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION on the flap/slat control lever.
(5) Install the applicable flap track fairing access panels (Ref. AMM TASK 57-55-11-400-004):
(a) For the flap track 2:

for the left wing, install 531CB 531EB
for the right wing, install 631CB 631EB.

(b) For the flap track 3:

for the left wing, install 532CB 532EB
for the right wing, install 632CB 632EB.

for the left wing, install 533CB 533EB
for the right wing, install 633CB 633EB.

Subtask 57-26-00-865-057-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 ALL
49VU	FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1	6CV	B07
121VU	FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2	8CV	Q21

Subtask 57-26-00-866-057-A

C. Aircraft Maintenance Configuration
(1) Retract the flaps (Ref. AMM TASK 27-50-00-866-009).

Subtask 57-26-00-942-058-A

D. Removal of Equipment
(1) Remove the safety barriers.
(2) Remove the WARNING NOTICE(S).
(3) Remove the access platform(s).
(4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

[Rev.8 from Aug 2017] 2026.04.01 02:11:28 UTC