Detailed Inspection of Inboard Double Slotted Flap, Tab Drive Assembly and Articulation at RIB3, LH/RH

TASK 57-52-00-210-006-A
Detailed Inspection of Inboard Double Slotted Flap, Tab Drive Assembly and Articulation at RIB3, 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.

ZONE: 581
ZONE: 681

1. Reason for the Job
Refer to the MPD TASK: 575233-01
DETAILED INSPECTION OF INBOARD DOUBLE-SLOTTED FLAP, TAB DRIVE ASSEMBLY AND ARTICULATION AT RIB 3, 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	LIGHT SOURCE - SPARK-PROOF
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. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
581	FLAP N° 1
681	FLAP N° 1
535DB, 635DB

C. 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 57-55-11-000-005-A	Removal of the Inboard and Outboard-Flap Tab Hinge-Fairings
TASK 57-55-11-400-005-A	Installation of the Inboard and Outboard-Flap Tab Hinge-Fairings
SRM 575200	(for corrective action)
Inboard Flap - Tab Drive Assembly and Articulation at Rib 3 - Inspection Area

3. Job Set-up
Subtask 57-52-00-941-076-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) Put a WARNING NOTICE(S) on the flap/slat control lever (panel 114VU) to tell persons not to operate the flaps.
(2) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.

Subtask 57-52-00-860-067-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 on the panel 114VU.

Subtask 57-52-00-865-101-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
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1	6CV	B02
** ON A/C NOT FOR ALL
121VU	FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2	8CV	Q21

Subtask 57-52-00-010-074-B ** ON A/C NOT FOR ALL

D. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the tab hinge-fairing at zone 535(635).
(2) Remove the applicable inboard flap tab hinge-fairing at Rib 3 (Ref. AMM TASK 57-55-11-000-005):

for the left wing, remove 535DB
for the right wing, remove 635DB.

(3) Put the LIGHT SOURCE - SPARK-PROOF adjacent to the inspection area.

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 57-52-00-210-064-A ** ON A/C NOT FOR ALL

A. Detailed Inspection of Inboard Double Slotted Flap, Tab Drive Assembly and Articulation at Rib 3, LH/RH
(1) Do an inspection of the control rod, the drive rods, the support rod and the tab links. Make sure that:

there is no damage
there is no corrosion
there are no cracks or scores
the inboard double slotted flap, tab drive assembly and articulation are correctly installed.

(2) Do an inspection of the forward and middle levers, the front and aft flap brackets, the tab joining, tab leader ship and the bracket. Make sure that:

there is no damage
there is no corrosion
there are no cracks or scores
the surface protection is in the correct condition.

NOTE: If necessary, refer to the SRM 575200 for the correct repair procedure.

5. Close-up
Subtask 57-52-00-410-076-B ** ON A/C NOT FOR ALL

A. Close Access
(1) Remove the spark-proof lamp from the inspection area.
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Install the applicable inboard flap tab hinge-fairing (Ref. AMM TASK 57-55-11-400-005):

for the left wing, install 535DB
for the right wing, install 635DB.

Subtask 57-52-00-865-102-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
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1	6CV	B02
** ON A/C NOT FOR ALL
121VU	FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2	8CV	Q21

Subtask 57-52-00-860-068-A ** ON A/C NOT FOR ALL

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

Subtask 57-52-00-942-075-A ** ON A/C NOT FOR ALL

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

[Rev.10 from 2021] 2026.04.02 06:31:18 UTC