Detailed Inspection of the Outboard Flap Inboard Rib, Forward Section Including Roller, Internal and External, LH/RH

TASK 57-53-00-200-003-A
Detailed Inspection of the Outboard Flap Inboard Rib, Forward Section Including Roller, Internal and External, LH/RH

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.

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: 575307-01
DETAILED INSPECTION OF OUTBOARD FLAP, INBOARD RIB, FORWARD SECTION INCLUDING ROLLER, INTERNAL AND EXTERNAL, LH/RH
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.05RAB9)	Adhesive Film Tape-- Aluminium Foil -
(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

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 27-54-61-000-002-A	Removal of the Flap Kink-Seals and Cushion-Seals
TASK 27-54-61-400-006-A	Installation of the Flap Kink-Seals and Cushion-Seals
TASK 51-78-00-916-001-A	Application of Temporary Protection System (TPS)
SRM 575300	(for corrective action)
Outboard Flap Inboard Rib
Check for Wear at the Roller

3. Job Set-up
Subtask 57-53-00-941-053-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 57-53-00-860-082-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 installed on the flap/slat control lever.

Subtask 57-53-00-865-055-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 57-53-00-010-052-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 the outboard flap, inboard rib, zone 587 (687).
(2) Remove the flap kink-seals (Ref. AMM TASK 27-54-61-000-002).
(3) Remove and discard the inspection hole covers.

Subtask 57-53-00-110-052-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 inspection area.
(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 57-53-00-210-052-A ** ON A/C NOT FOR ALL

A. Detailed Inspection of the Outboard Flap Inboard Rib, Forward Section Including Roller, Internal and External, LH/RH
(1) Examine the external surface of the outboard flap at the inboard-rib forward-section. Make sure that:

there is no corrosion
there are no cracks
there are no scores or damage to the roller
there is not too much play of the roller.

NOTE: If the AXIAL PLAY "X" or the RADIAL PLAY "Y" is more than 0.25 mm (0.0098 in.), do a check of the liner for damage and wear.

(2) Examine, as far as possible, the internal surface of the outboard flap at the inboard-rib forward section and the roller. Make sure that:

there is no corrosion
there are no cracks
there are no dents or other damage.

NOTE: If necessary, SRM 575300 for the correct repair procedure.

(3) Examine the external surface of the roller. Make sure that:

Check for Wear at the Roller ** ON A/C NOT FOR ALL

wear "B" at the center of the roller is no more than 1.0 mm (0.0394 in.)
wear "A" at the center of the roller is no more than 15 mm (0.5906 in.)
wear "C" in the remaining areas of the roller is no more than 0.5 mm (0.0197 in.).

5. Close-up
Subtask 57-53-00-410-051-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Use Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) cut to the correct dimensions, to make the inspection covers.
(2) Install the inspection covers.
(3) Install the flap kink seals (Ref. AMM TASK 27-54-61-400-006).

Subtask 57-53-00-865-056-A ** ON A/C NOT FOR ALL

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/FLP/CTL AND MONG/SYS1	6CV	B07
121VU	FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2	8CV	Q21

Subtask 57-53-00-860-083-A ** ON A/C NOT FOR ALL

C. Aircraft Maintenance Configuration
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Fully retract the flaps (Ref. AMM TASK 27-50-00-866-009).

Subtask 57-53-00-942-052-A ** ON A/C NOT FOR ALL

D. Removal of Equipment
(1) Remove the access platform(s).
(2) Remove the WARNING NOTICE(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