Detailed Inspection of Outboard Flap, Front Spar Splices and Attachment Areas at Track 4, Internal and External LH/RH

TASK 57-53-00-200-006-A
Detailed Inspection of Outboard Flap, Front Spar Splices and Attachment Areas at Track 4, Internal and External LH/RH

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.

CAUTION: DO NOT APPLY TEMPORARY PROTECTION SYSTEM (TPS) ON THE INSPECTION AREA. IF YOU APPLY TPS ON THE INSPECTION AREA, YOU CAN CAUSE DAMAGE TO THE AIRCRAFT.

ZONE: 587
ZONE: 687

1. Reason for the Job
Refer to the MPD TASK: 575305-01
DETAILED INSPECTION OF OUTBOARD FLAP, FRONT SPAR SPLICES AND ATTACHMENT AREAS AT TRACK 4, INTERNAL AND EXTERNAL, LH/RH

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)

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
587	FLAP N° 2
687	FLAP N° 2
533AT, 533CB, 633AT, 633CB

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 27-54-62-000-003-A	Removal of the Leading Edge Panels 2 and 5 on the Outboard Flap
TASK 27-54-62-400-003-A	Installation of the Leading Edge Panels 2 and 5 on the Outboard Flap
TASK 51-78-00-916-001-A	Application of Temporary Protection System (TPS)
TASK 57-53-00-220-009-A	Special Detailed Inspection of Outboard Flap, Front Spar Splices and Attachment Areas at Track 4, Internal and External, LH/RH
TASK 57-55-11-000-001-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
SRM 575321	(for corrective action)
Outboard Flap - Front Splices and Attachment Areas

3. Job Set-up
Subtask 57-53-00-941-058-A ** ON A/C NOT FOR ALL

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

Subtask 57-53-00-860-108-A ** ON A/C NOT FOR ALL

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) 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 slat/flap control lever.

Subtask 57-53-00-865-065-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1	6CV	B07
121VU	FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2	8CV	Q21

Subtask 57-53-00-010-057-A ** ON A/C NOT FOR ALL

D. Get Access

Outboard Flap - Front Splices and Attachment Areas ** ON A/C NOT FOR ALL

(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE below the applicable wing trailing edge at flap track 4, zone 533 (633).
(2) Remove the flap track fairing panels (Ref. AMM TASK 57-55-11-000-001):

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

(3) Remove the outboard flap leading edge panel 5 (Ref. AMM TASK 27-54-62-000-003).
(4) Remove the inspection hole covers from the front spar.

Subtask 57-53-00-110-056-A ** ON A/C NOT FOR ALL

E. Preparation for Inspection

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) Make sure that the inspection area is sufficiently clean to do the inspection of the area.
(2) Use a Textile-Lint free Cotton - (Material No.14SBA1) , made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) to clean the external surface of the outboard flap front spar.
(3) Make sure that there is no TPS layer and if there is a TPS layer, remove it (Ref. AMM TASK 51-78-00-916-001).

4. Procedure
Subtask 57-53-00-210-057-A ** ON A/C NOT FOR ALL

A. Detailed Inspection of Outboard Flap, Front Spar Splices and Attachment Areas at Track 4, Internal and External LH/RH

NOTE: The inspection procedure must be done at the same time with the inspection procedure for MPD 57530502 (Ref. AMM TASK 57-53-00-220-009).

(1) Examine the external surface of the front spar. Make sure that:

there is no corrosion
there are no cracks
the protective treatment is in the correct condition.

NOTE: If necessary, refer to the SRM 575321 for the correct repair procedure.

5. Close-up
Subtask 57-53-00-410-056-A ** ON A/C NOT FOR ALL

A. Close Access

Outboard Flap - Front Splices and Attachment Areas ** ON A/C NOT FOR ALL

(1) Install new inspection hole covers.
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Install the leading edge panel 5 (Ref. AMM TASK 27-54-62-400-003).
(4) Install the flap track fairing panels (Ref. AMM TASK 57-55-11-400-001):

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

Subtask 57-53-00-865-066-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1	6CV	B07
121VU	FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2	8CV	Q21

Subtask 57-53-00-860-109-A ** ON A/C NOT FOR ALL

C. Aircraft Maintenance Configuration
(1) Remove the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION from the flap/slat control lever.
(2) Fully retract the flaps (Ref. AMM TASK 27-50-00-866-009).

Subtask 57-53-00-942-057-A ** ON A/C NOT FOR ALL

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

[Rev.10 from 2021] 2026.04.02 06:31:20 UTC