Removal of the Flap-Actuator Lever Assembly - Track 4
TASK 27-54-55-000-003-A
Removal of the Flap-Actuator Lever Assembly - Track 4
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 27-54-55-941-069-A
[Rev.10 from 2021]
2026.03.31 23:54:37 UTC
Removal of the Flap-Actuator Lever Assembly - Track 4
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.
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:
1. Reason for the Job- 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.
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 2M (6 FT) |
| No specific | AR | SAFETY BARRIER(S) |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | 1 | STRUT - ADJUSTABLE |
| No specific | 1 | SUPPORT STRUCTURE - FLAP |
| No specific | 1 | WARNING NOTICE(S) |
| 98D27504029000 | 1 | SPANNER-SOCKET (FLAP LEVER TRACK 4) |
| 98D27504030001 | 1 | LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT |
| 98D27508697000 | 1 | EXTRACTOR - HOUSING, TRACK 2,3,4 |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 500 | LEFT WING |
| 600 | RIGHT WING |
| 575BB, 575FB, 675BB, 675FB |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-41-00-861-002-A | Energize the Aircraft Electrical Circuits from the External Power |
| TASK 24-41-00-861-002-A-01 | Energize the Aircraft Electrical Circuits from the APU |
| TASK 24-41-00-861-002-A-02 | Energize the Aircraft Electrical Circuits from Engine 1(2) |
| TASK 24-41-00-862-002-A | De-energize the Aircraft Electrical Circuits Supplied from the External Power |
| TASK 24-41-00-862-002-A-01 | De-energize the Aircraft Electrical Circuits Supplied from the APU |
| TASK 24-41-00-862-002-A-02 | De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2) |
| TASK 27-50-00-400-003-A | Installation of the Lock-Torque Shaft - Flaps and Slats (98D27504030001) |
| 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 27-54-49-000-004-A | Removal of the Flap Track 4 Actuator |
| TASK 27-60-00-866-002-A | Extension-Retraction of the Spoilers for Maintenance |
| TASK 57-51-37-000-004-A | Removal of the Access Panels 575AB(675AB), 575BB(675BB), 575CB(675CB), 575DB(675DB), 575EB(675EB), 575FB(675FB), 575GB(675GB), 575HB(675HB) |
| 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 |
Subtask 27-54-55-941-069-A
A. Safety Precautions
(1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(2) In the cockpit, put the WARNING NOTICE(S) in position to tell persons not to operate the flight controls.
Subtask 27-54-55-860-055-A (1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(2) In the cockpit, put the WARNING NOTICE(S) in position to tell persons not to operate the flight controls.
B. Aircraft Maintenance Configuration
(Ref. AMM TASK 24-41-00-861-002).
(2) Fully extend the flaps (Ref. AMM TASK 27-50-00-866-008).
(3) Make sure that the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION is installed on the flap/slat control lever.
(4) Fully extend the No. 2, No. 3, No. 4 and the No. 5 Spoilers (Ref. AMM TASK 27-60-00-866-002).
(5) Make sure that the 98D27604000000 COLLAR-SAFETY, SPOILER or 98D27604004000 COLLAR SAFETY SPOILER is installed on the piston rod of the servo-control.
Subtask 27-54-55-865-052-A 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) Energize the aircraft electrical circuits(Ref. AMM TASK 24-41-00-861-002).
(2) Fully extend the flaps (Ref. AMM TASK 27-50-00-866-008).
(3) Make sure that the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION is installed on the flap/slat control lever.
(4) Fully extend the No. 2, No. 3, No. 4 and the No. 5 Spoilers (Ref. AMM TASK 27-60-00-866-002).
(5) Make sure that the 98D27604000000 COLLAR-SAFETY, SPOILER or 98D27604004000 COLLAR SAFETY SPOILER is installed on the piston rod of the servo-control.
C. Open, safety and tag this(these) circuit breaker(s):
Subtask 27-54-55-862-052-A | 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 ALL | |||
| 121VU | FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2 | 8CV | Q21 |
D. Aircraft Maintenance Configuration
(1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
Subtask 27-54-55-941-058-A ** ON A/C NOT FOR ALL (1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
E. Get Access
(1) Put an ACCESS PLATFORM 2M (6 FT) in position below the applicable zone.
(2) Remove the applicable access panels (Ref. AMM TASK 57-51-37-000-004):
(3) Remove the No. 4 Flap-Track movable fairing, but do not retract the flaps or remove the fixed fairings (Ref. AMM TASK 57-55-11-000-001).
(4) Remove the Track 4 actuator 6233CM(6283CM) (Ref. AMM TASK 27-54-49-000-004).
(5) Install the 98D27504030001 LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT on the torque shaft adjacent to the Track 4 actuator (Ref. AMM TASK 27-50-00-400-003).
Subtask 27-54-55-941-058-B ** ON A/C NOT FOR ALL (1) Put an ACCESS PLATFORM 2M (6 FT) in position below the applicable zone.
(2) Remove the applicable access panels (Ref. AMM TASK 57-51-37-000-004):
(3) Remove the No. 4 Flap-Track movable fairing, but do not retract the flaps or remove the fixed fairings (Ref. AMM TASK 57-55-11-000-001).
(4) Remove the Track 4 actuator 6233CM(6283CM) (Ref. AMM TASK 27-54-49-000-004).
(5) Install the 98D27504030001 LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT on the torque shaft adjacent to the Track 4 actuator (Ref. AMM TASK 27-50-00-400-003).
E. Get Access
(1) Put an ACCESS PLATFORM 2M (6 FT) in position below the applicable zone.
(2) Remove the applicable access panels (Ref. AMM TASK 57-51-37-000-004):
(3) Remove the No. 4 Flap-Track movable fairing, but do not retract the flaps or remove the fixed fairings (Ref. AMM TASK 57-55-11-000-004).
(4) Remove the Track 4 actuator 6233CM(6283CM) (Ref. AMM TASK 27-54-49-000-004).
(5) Install the 98D27504030001 LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT on the torque shaft adjacent to the Track 4 actuator (Ref. AMM TASK 27-50-00-400-003).
4. Procedure(1) Put an ACCESS PLATFORM 2M (6 FT) in position below the applicable zone.
(2) Remove the applicable access panels (Ref. AMM TASK 57-51-37-000-004):
(3) Remove the No. 4 Flap-Track movable fairing, but do not retract the flaps or remove the fixed fairings (Ref. AMM TASK 57-55-11-000-004).
(4) Remove the Track 4 actuator 6233CM(6283CM) (Ref. AMM TASK 27-54-49-000-004).
(5) Install the 98D27504030001 LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT on the torque shaft adjacent to the Track 4 actuator (Ref. AMM TASK 27-50-00-400-003).
CAUTION:
BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING EDGE:
Subtask 27-54-55-020-057-C ** ON A/C NOT FOR ALL - 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.
A. Removal of the Flap-Actuator Lever Assembly - Track 4
(1) Put a SUPPORT STRUCTURE - FLAP along the span of the outboard flap to prevent movement.
(2) Remove and discard the cotter pins (6).
(3) Remove the nuts (7), the washers (8) and the bolts (10) and disconnect the levers (5) from the flap link-arms (9).
(4) Lower the outboard flap on to the stops.
(a) Remove and discard the cotter pin (17).
(b) Remove the nut (16), the bolt (4) and the spacer (12).
(c) Remove the nut (20) and the bolt (2).
(d) Use the 98D27508697000 EXTRACTOR - HOUSING, TRACK 2,3,4 to remove the bearing housing (3).
(e) Move the lever (5) inboard and remove it from the bearing housing (11).
(f) Turn the lever (5) through 90 deg. and remove it from the brackets (13) on the rear spar.
(g) Remove and discard the cotter pin (15). Use the 98D27504029000 SPANNER-SOCKET (FLAP LEVER TRACK 4) to remove the ring nut (18).
(h) Use the 98D27508697000 EXTRACTOR - HOUSING, TRACK 2,3,4 to remove the bearing housing (11).
(i) Remove the nuts (19), the bolts (1) and the anti-rotation plate (14).
Subtask 27-54-55-020-057-E ** ON A/C NOT FOR ALL (1) Put a SUPPORT STRUCTURE - FLAP along the span of the outboard flap to prevent movement.
(2) Remove and discard the cotter pins (6).
(3) Remove the nuts (7), the washers (8) and the bolts (10) and disconnect the levers (5) from the flap link-arms (9).
(4) Lower the outboard flap on to the stops.
NOTE: The stops only limit the carriage movement. They do not prevent flap movement.
(5) Hold the trailing edge of the outboard flap with an STRUT - ADJUSTABLE. NOTE: The flap can be damaged if it is not supported along all the span.
(6) At track 4: (a) Remove and discard the cotter pin (17).
(b) Remove the nut (16), the bolt (4) and the spacer (12).
(c) Remove the nut (20) and the bolt (2).
(d) Use the 98D27508697000 EXTRACTOR - HOUSING, TRACK 2,3,4 to remove the bearing housing (3).
(e) Move the lever (5) inboard and remove it from the bearing housing (11).
(f) Turn the lever (5) through 90 deg. and remove it from the brackets (13) on the rear spar.
(g) Remove and discard the cotter pin (15). Use the 98D27504029000 SPANNER-SOCKET (FLAP LEVER TRACK 4) to remove the ring nut (18).
(h) Use the 98D27508697000 EXTRACTOR - HOUSING, TRACK 2,3,4 to remove the bearing housing (11).
(i) Remove the nuts (19), the bolts (1) and the anti-rotation plate (14).
A. Removal of the Flap-Actuator Lever Assembly - Track 4
Flap Actuator Lever - Track 4 ** ON A/C NOT FOR ALL
Flap Actuator Lever - Track 4 ** ON A/C NOT FOR ALL
(1) Put a SUPPORT STRUCTURE - FLAP along the span of the outboard flap to prevent movement.
(2) Remove and discard the cotter pins (6).
(3) Remove the nuts (7), the washers (8) and the bolts (10) and disconnect the levers (5) from the flap link-arms (9).
(4) Lower the outboard flap on to the stops.
(a) Remove and discard the cotter pin (19).
(b) Remove the nut (18), the bolt (4), the washer(s) (13) and/or (14) and the spacer (12).
(c) Remove the nut (22) and the bolt (2).
(d) Use the 98D27508697000 EXTRACTOR - HOUSING, TRACK 2,3,4 to remove the bearing housing (3).
(e) Move the lever (5) inboard and remove it from the bearing housing (11).
(f) Turn the lever (5) through 90 deg. and remove it from the brackets (15) on the rear spar.
(g) Remove and discard the cotter pin (17). Use the 98D27504029000 SPANNER-SOCKET (FLAP LEVER TRACK 4) to remove the ring nut (20).
(h) Use the 98D27508697000 EXTRACTOR - HOUSING, TRACK 2,3,4 to remove the bearing housing (11).
(i) Remove the nuts (21), the bolts (1) and the anti-rotation plate (16).
Subtask 27-54-55-020-057-F ** ON A/C NOT FOR ALL
Flap Actuator Lever - Track 4 ** ON A/C NOT FOR ALL
Flap Actuator Lever - Track 4 ** ON A/C NOT FOR ALL (2) Remove and discard the cotter pins (6).
(3) Remove the nuts (7), the washers (8) and the bolts (10) and disconnect the levers (5) from the flap link-arms (9).
(4) Lower the outboard flap on to the stops.
NOTE: The stops only limit the carriage movement. They do not prevent flap movement.
(5) Hold the trailing edge of the outboard flap with an STRUT - ADJUSTABLE. NOTE: The flap can be damaged if it is not supported along all the span.
(6) At track 4: (a) Remove and discard the cotter pin (19).
(b) Remove the nut (18), the bolt (4), the washer(s) (13) and/or (14) and the spacer (12).
(c) Remove the nut (22) and the bolt (2).
(d) Use the 98D27508697000 EXTRACTOR - HOUSING, TRACK 2,3,4 to remove the bearing housing (3).
(e) Move the lever (5) inboard and remove it from the bearing housing (11).
(f) Turn the lever (5) through 90 deg. and remove it from the brackets (15) on the rear spar.
(g) Remove and discard the cotter pin (17). Use the 98D27504029000 SPANNER-SOCKET (FLAP LEVER TRACK 4) to remove the ring nut (20).
(h) Use the 98D27508697000 EXTRACTOR - HOUSING, TRACK 2,3,4 to remove the bearing housing (11).
(i) Remove the nuts (21), the bolts (1) and the anti-rotation plate (16).
A. Removal of the Flap-Actuator Lever Assembly - Track 4
(1) Put a SUPPORT STRUCTURE - FLAP along the span to prevent the movement of the outboard flap.
(2) Remove the nuts (7), the washers (8) and the bolts (10) and disconnect the levers (5) from the flap link-arms (9).
(3) Lower the outboard flap on to the stops.
(a) Remove and discard the cotter pin (19).
(b) Remove the nut (18), the bolt (4), the washers (13) and (14) and the spacer (12).
(c) Remove the nut (22) and the bolt (2).
(d) Use the 98D27508697000 EXTRACTOR - HOUSING, TRACK 2,3,4 to remove the bearing housing (3).
(e) Move the lever (5) inboard and remove it from the bearing housing (11).
(f) Turn the lever (5) through 90 deg. and remove it from the brackets (15) on the rear spar.
(g) Remove and discard the cotter pin (17).
(h) Use the 98D27504029000 SPANNER-SOCKET (FLAP LEVER TRACK 4) to remove the ring nut (20).
(i) Use the 98D27508697000 EXTRACTOR - HOUSING, TRACK 2,3,4 to remove the bearing housing (11).
(j) Remove the nuts (21), the bolts (1) and the anti-rotation plate (16).
(1) Put a SUPPORT STRUCTURE - FLAP along the span to prevent the movement of the outboard flap.
(2) Remove the nuts (7), the washers (8) and the bolts (10) and disconnect the levers (5) from the flap link-arms (9).
(3) Lower the outboard flap on to the stops.
NOTE: The stops only limit the movement of the carriage. They do not prevent the movement of the flap.
(4) Hold the trailing edge of the outboard flap with a STRUT - ADJUSTABLE. NOTE: The flap can become damaged if it is not supported all along the span.
(5) At track 4: (a) Remove and discard the cotter pin (19).
(b) Remove the nut (18), the bolt (4), the washers (13) and (14) and the spacer (12).
(c) Remove the nut (22) and the bolt (2).
(d) Use the 98D27508697000 EXTRACTOR - HOUSING, TRACK 2,3,4 to remove the bearing housing (3).
(e) Move the lever (5) inboard and remove it from the bearing housing (11).
(f) Turn the lever (5) through 90 deg. and remove it from the brackets (15) on the rear spar.
(g) Remove and discard the cotter pin (17).
(h) Use the 98D27504029000 SPANNER-SOCKET (FLAP LEVER TRACK 4) to remove the ring nut (20).
(i) Use the 98D27508697000 EXTRACTOR - HOUSING, TRACK 2,3,4 to remove the bearing housing (11).
(j) Remove the nuts (21), the bolts (1) and the anti-rotation plate (16).