Special Detailed Inspection (Endoscope) of Outboard Flap, Internal Support at Track 4, including RIB 15, Fitting at Front Spar and Internal Doubler, LH/RH

TASK 57-53-00-220-012-A
Special Detailed Inspection (Endoscope) of Outboard Flap, Internal Support at Track 4, including RIB 15, Fitting at Front Spar and Internal Doubler, 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: 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: 575316-02
SPECIAL DETAILED INSPECTION (ENDOSCOPE) OF OUTBOARD FLAP, INTERNAL SUPPORT AT TRACK 4, INCLUDING RIB 15, FITTING AT FRONT SPAR AND INTERNAL DOUBLER, 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
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 57-53-00-200-013-A	Detailed Inspection of Outboard Flap, Internal Support at Track 4 including RIB15, Fitting at Front Spar and Internal Doubler, 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 511100
SRM 512200
NTM 575316
Outboard Flap ** ON A/C NOT FOR ALL
Outboard Flap ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 57-53-00-941-074-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 57-53-00-860-123-A ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration
(1) Extend the flaps fully (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 57-53-00-865-101-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 57-53-00-010-073-A ** ON A/C NOT FOR ALL

D. Get Access

Outboard Flap ** 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, at zone 587(687).
(2) Remove access panel 533AT( 633AT) and flap track 4 fairing 533CB( 633CB) (Ref. AMM TASK 57-55-11-000-001).
(3) Remove outboard-flap leading-edge panel 5 (Ref. AMM TASK 27-54-62-000-003).
(4) Remove and discard the covers from the applicable inspection holes.
(5) Make sure that the applicable inspection holes are clear of unwanted material.

Subtask 57-53-00-110-101-A ** ON A/C NOT FOR ALL

E. Preparation of the Inspection Area

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) If necessary, clean the inspection area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a Textile-Lint free Cotton - (Material No.14SBA1) .
(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).

Subtask 57-53-00-010-073-C ** ON A/C NOT FOR ALL

F. Get Access

Outboard Flap ** 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, at zone 587(687).
(2) Remove access panel 533AT( 633AT) and flap track 4 fairing 533CB( 633CB) (Ref. AMM TASK 57-55-11-000-001).
(3) Remove and discard the covers from the applicable inspection holes.
(4) Make sure that the applicable inspection holes are clear of unwanted material.

Subtask 57-53-00-110-101-C ** ON A/C NOT FOR ALL

G. Preparation of the Inspection Area

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.

4. Procedure
Subtask 57-53-00-280-060-A ** ON A/C NOT FOR ALL

A. Inspection
(1) Do a special detailed inspection (endoscope) of:

The internal support of the left and right outboard flaps at flap track 4 (RIB15 included)
The fittings of the left and right outboard flaps at the front spar, and
The internal doublers of the left and right outboard flaps.

Do this inspection for damage and discontinuities NTM 575316.
Do this inspection and the MPD 575316-01 inspection at the same time (Ref. AMM TASK 57-53-00-200-013).
(2) Make a report of the damage after the NTM inspection:
(a) Corrosion damage:
If you find corrosion, refer to the Structural Repair Manual ( SRM 512200) for the corrosion types, inspection, removal and subsequent corrosion protection.
(b) Other damage (scratches, cracks, gouges, dents, creases):
If you find this type of damage, refer to the Structural Repair Manual ( SRM 511100 ) for damage types, classification and corrective action.

5. Close-up
Subtask 57-53-00-410-072-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) Use Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) , cut to the correct dimensions, to make new covers for the applicable inspection holes.
(3) Install the new covers on the applicable inspection holes.
(4) Install outboard-flap leading-edge panel 5 (Ref. AMM TASK 27-54-62-400-003).
(5) Install flap track 4 fairing 533CB( 633CB) and access panel 533AT( 633AT) (Ref. AMM TASK 57-55-11-400-001).

Subtask 57-53-00-410-072-C ** 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) Use Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) , cut to the correct dimensions, to make new covers for the applicable inspection holes.
(3) Install the new covers on the applicable inspection holes.
(4) Install flap track 4 fairing 533CB( 633CB) and access panel 533AT( 633AT) (Ref. AMM TASK 57-55-11-400-001).

Subtask 57-53-00-865-102-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 57-53-00-860-124-A ** ON A/C NOT FOR ALL

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

Subtask 57-53-00-942-075-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 06:31:21 UTC