DOC AIRBUS | AMM A320FRemoval of the Pendulum of the No. 1 Flap Track Carriage
TASK 27-54-46-000-005-A
Removal of the Pendulum of the No. 1 Flap Track Carriage
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 27-54-46-941-063-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.03.31 23:53:51 UTC
Removal of the Pendulum of the No. 1 Flap Track Carriage
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 3M (10 FT)- ADJUSTABLE |
| No specific | AR | SAFETY BARRIER(S) |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | AR | WARNING NOTICE(S) |
| 98D27504030001 | 1 | LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT |
| 98D27803500001 | 1 | LOCKING TOOL ZERO POS |
| 98D27803500002 | 1 | LOCKING TOOL ZERO POS |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 147 | MAIN GEAR WELL AND HYDRAULIC COMPARTMENT |
| 148 | MAIN GEAR WELL AND HYDRAULIC COMPARTMENT |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 27-50-00-400-002-A | Installation of the Inboard and Outboard Flap Hoisting-Sling |
| TASK 27-50-00-400-003-A | Installation of the Lock-Torque Shaft - Flaps and Slats (98D27504030001) |
| 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 27-50-00-866-011-A | Manual Extension of the Flaps |
| TASK 32-12-00-010-001-A | Open the Main Gear Doors for Access |
Flap Carriage and Pendulum (Access Hole in Pocket 5)Subtask 27-54-46-941-063-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) Put a WARNING NOTICE(S) in the cockpit to tell persons not to operate the landing-gear doors.
(2) Put a WARNING NOTICE(S) in panel 114VU to tell persons not to operate the flap/slat controls.
(3) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
Subtask 27-54-46-860-057-A ** ON A/C NOT FOR ALL (1) Put a WARNING NOTICE(S) in the cockpit to tell persons not to operate the landing-gear doors.
(2) Put a WARNING NOTICE(S) in panel 114VU to tell persons not to operate the flap/slat controls.
(3) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
B. Aircraft Maintenance Configuration
(2) Put the 98D27803500001 LOCKING TOOL ZERO POS or 98D27803500002 LOCKING TOOL ZERO POS on the flap/slat control lever in the cockpit.
Subtask 27-54-46-865-058-A ** ON A/C NOT FOR ALL 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) Make sure that the flaps are fully retracted (Ref. AMM TASK 27-50-00-866-009). (2) Put the 98D27803500001 LOCKING TOOL ZERO POS or 98D27803500002 LOCKING TOOL ZERO POS on the flap/slat control lever in the cockpit.
C. Open, safety and tag this(these) circuit breaker(s):
Subtask 27-54-46-010-055-A ** ON A/C NOT FOR ALL | 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 |
D. Get Access
(1) 0pen the applicable MLG door (Ref. AMM TASK 32-12-00-010-001).
(2) Make sure that the 460005835 SLEEVE - GROUND LOCK is installed on the applicable MLG door actuator.
(3) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position at the flap track 1.
Subtask 27-54-46-210-057-A ** ON A/C NOT FOR ALL (1) 0pen the applicable MLG door (Ref. AMM TASK 32-12-00-010-001).
(2) Make sure that the 460005835 SLEEVE - GROUND LOCK is installed on the applicable MLG door actuator.
(3) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position at the flap track 1.
E. Inspection of the Flap Track Beam
(1) Do a visual inspection of the flap track beam:
(a) If the access hole is in pocket 5, do the pendulum removal procedure in paragraph 4.A.
(b) If the access hole is in pocket 4, do the pendulum removal procedure in paragraph 4.B.
Subtask 27-54-46-210-057-B ** ON A/C NOT FOR ALL (1) Do a visual inspection of the flap track beam:
(a) If the access hole is in pocket 5, do the pendulum removal procedure in paragraph 4.A.
(b) If the access hole is in pocket 4, do the pendulum removal procedure in paragraph 4.B.
E. Inspection of the Flap Track Beam
(1) Do a visual inspection of the flap track beam:
(a) Do the pendulum removal procedure.
4. Procedure(1) Do a visual inspection of the flap track beam:
(a) Do the pendulum removal procedure.
CAUTION:
BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING EDGE:
Subtask 27-54-46-020-053-A ** 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 Pendulum of the No.1 Flap Track Carriage
(a) Manually extend the flaps to position 3 (Ref. AMM TASK 27-50-00-866-011).
(b) Install the 98D27504030001 LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT on the shaft 6220CM (6270CM) (Ref. AMM TASK 27-50-00-400-003).
(c) Install the hoisting sling (Ref. AMM TASK 27-50-00-400-002).
(d) Carefully lift the sling with the hoist until the hoist holds the weight of the flap.
(e) Hold the trailing edge of the flap by hand and disconnect the rotary actuator drive-lever at track 1.
(f) Disconnect the inboard flap from the flap track carriage at the track 1 position.
(g) Move the pendulum around the carriage axis to disconnect the pendulum assembly from the flap trunnion.
(2) Move the carriage (6) to get access to the bolt (18) through the access hole in pocket 5 of the flap track beam (19).
(3) Loosen the bolt (18).
(4) Remove the nut (11), the washer (12) and the lockplate (13) from the bottom of the carriage (6). Discard the lockplate (13).
(5) Remove the bolt (18) through the access hole in pocket 5.
(6) Remove the roller (14) and the washer (15) through the lower side of the flap track beam (19).
(7) Remove the nut (10), the washer (9) and the lockplate (8) from the lower side of the carriage (6). Discard the lockplate (8).
(8) Move the carriage as necessary and remove the bolt (1), the roller (2) and the washer (3) from the top side of the carriage (6).
(9) Remove the retaining ring (4) and the washer (5) from the bolt (17).
(10) Remove the bolt (17) and the lockplate (16) from the carriage (6) through the lower side of the flap track beam (19). Discard the lockplate (16).
(11) Remove the pendulum (7) from the carriage (6).
Subtask 27-54-46-020-055-A ** ON A/C NOT FOR ALL WARNING:
SUPPORT THE UNIT/ASSEMBLY. THE UNIT/ASSEMBLY IS HEAVY. IF YOU DO NOT SUPPORT IT, IT WILL FALL. THIS CAN CAUSE INJURY TO PERSONS, AND/OR DAMAGE TO EQUIPMENT.
(1) Disconnect the inboard flap at track 1 as follows: (a) Manually extend the flaps to position 3 (Ref. AMM TASK 27-50-00-866-011).
(b) Install the 98D27504030001 LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT on the shaft 6220CM (6270CM) (Ref. AMM TASK 27-50-00-400-003).
(c) Install the hoisting sling (Ref. AMM TASK 27-50-00-400-002).
(d) Carefully lift the sling with the hoist until the hoist holds the weight of the flap.
(e) Hold the trailing edge of the flap by hand and disconnect the rotary actuator drive-lever at track 1.
(f) Disconnect the inboard flap from the flap track carriage at the track 1 position.
(g) Move the pendulum around the carriage axis to disconnect the pendulum assembly from the flap trunnion.
(2) Move the carriage (6) to get access to the bolt (18) through the access hole in pocket 5 of the flap track beam (19).
(3) Loosen the bolt (18).
(4) Remove the nut (11), the washer (12) and the lockplate (13) from the bottom of the carriage (6). Discard the lockplate (13).
(5) Remove the bolt (18) through the access hole in pocket 5.
(6) Remove the roller (14) and the washer (15) through the lower side of the flap track beam (19).
(7) Remove the nut (10), the washer (9) and the lockplate (8) from the lower side of the carriage (6). Discard the lockplate (8).
(8) Move the carriage as necessary and remove the bolt (1), the roller (2) and the washer (3) from the top side of the carriage (6).
(9) Remove the retaining ring (4) and the washer (5) from the bolt (17).
(10) Remove the bolt (17) and the lockplate (16) from the carriage (6) through the lower side of the flap track beam (19). Discard the lockplate (16).
(11) Remove the pendulum (7) from the carriage (6).
B. Removal of the Pendulum of the No.1 Flap Track Carriage
(2) Remove the bolt (20), the washer (19) and the nut (26).
(3) Remove the stop plate (23) from the flap track beam (25).
(4) Move the carriage (6) to get access to the bolt (18) through the access hole in pocket 4 of the flap track beam (25).
(5) Loosen the bolt (18).
(6) Remove the nut (11), the washer (12) and the lockplate (13) from the bottom of the carriage (6). Discard the lockplate (13).
(7) Remove the bolt (18) through the access hole in pocket 4.
(8) Remove the roller (14) and the washer (15) through the lower side of the flap track beam (25).
(9) Remove the nut (10), the washer (9) and the lockplate (8) from the lower side of the carriage (6). Discard the lockplate (8).
(10) Move the carriage as necessary and remove the bolt (1), the roller (2) and the washer (3) from the top side of the carriage (6).
(11) Remove the retaining ring (4) and the washer (5) from the bolt (17).
(12) Remove the bolt (17) and the lockplate (16) from the carriage (6) through the lower side of the flap track beam (25). Discard the lockplate (16).
(13) Remove the pendulum (7) from the carriage (6).
Subtask 27-54-46-020-056-A ** ON A/C NOT FOR ALL WARNING:
SUPPORT THE UNIT/ASSEMBLY. THE UNIT/ASSEMBLY IS HEAVY. IF YOU DO NOT SUPPORT IT, IT WILL FALL. THIS CAN CAUSE INJURY TO PERSONS, AND/OR DAMAGE TO EQUIPMENT.
(1) Remove the bolts (21) and the washers (22) from the captive nuts (24). (2) Remove the bolt (20), the washer (19) and the nut (26).
(3) Remove the stop plate (23) from the flap track beam (25).
(4) Move the carriage (6) to get access to the bolt (18) through the access hole in pocket 4 of the flap track beam (25).
(5) Loosen the bolt (18).
(6) Remove the nut (11), the washer (12) and the lockplate (13) from the bottom of the carriage (6). Discard the lockplate (13).
(7) Remove the bolt (18) through the access hole in pocket 4.
(8) Remove the roller (14) and the washer (15) through the lower side of the flap track beam (25).
(9) Remove the nut (10), the washer (9) and the lockplate (8) from the lower side of the carriage (6). Discard the lockplate (8).
(10) Move the carriage as necessary and remove the bolt (1), the roller (2) and the washer (3) from the top side of the carriage (6).
(11) Remove the retaining ring (4) and the washer (5) from the bolt (17).
(12) Remove the bolt (17) and the lockplate (16) from the carriage (6) through the lower side of the flap track beam (25). Discard the lockplate (16).
(13) Remove the pendulum (7) from the carriage (6).
C. Removal of the Pendulum of the No.1 Flap Track Carriage
(2) Loosen the bolt assembly (1).
(3) Remove the nut (9), the washer (8) and the lockplate (7) from the bottom of the carriage (6). Discard the lockplate (7).
(4) Remove the bolt assembly (1) through the access hole.
(5) Remove the roller (4) and the washer (5) through the lower side of the flap track beam (18).
(6) Remove the nut (11), the washer (12) and the lockplate (13) from the lower side of the carriage (6). Discard the lockplate (13).
(7) Move the carriage as necessary and remove the bolt assembly (19) through the access hole.
(8) Remove the roller (14) and the washer (15) through the lower side of the flap track beam (18).
(9) Remove the retaining ring (3) and the washer (2) from the bolt (16).
(10) Remove the bolt (16) and the lockplate (17) from the carriage (6) through the lower side of the flap track beam (18). Discard the lockplate (17).
(11) Remove the pendulum (10) from the carriage (6).
WARNING:
SUPPORT THE UNIT/ASSEMBLY. THE UNIT/ASSEMBLY IS HEAVY. IF YOU DO NOT SUPPORT IT, IT WILL FALL. THIS CAN CAUSE INJURY TO PERSONS, AND/OR DAMAGE TO EQUIPMENT.
(1) Move the carriage (6) to get access to the bolt assembly (1) through the access hole in the flap track beam (18). (2) Loosen the bolt assembly (1).
(3) Remove the nut (9), the washer (8) and the lockplate (7) from the bottom of the carriage (6). Discard the lockplate (7).
(4) Remove the bolt assembly (1) through the access hole.
(5) Remove the roller (4) and the washer (5) through the lower side of the flap track beam (18).
(6) Remove the nut (11), the washer (12) and the lockplate (13) from the lower side of the carriage (6). Discard the lockplate (13).
(7) Move the carriage as necessary and remove the bolt assembly (19) through the access hole.
(8) Remove the roller (14) and the washer (15) through the lower side of the flap track beam (18).
(9) Remove the retaining ring (3) and the washer (2) from the bolt (16).
(10) Remove the bolt (16) and the lockplate (17) from the carriage (6) through the lower side of the flap track beam (18). Discard the lockplate (17).
(11) Remove the pendulum (10) from the carriage (6).