Removal of the Nos 2, 3 and 4 Flap Carriages

TASK 27-54-46-000-001-A
Removal of the Nos 2, 3 and 4 Flap Carriages

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: THIS PART IS A REMOVABLE STRUCTURAL COMPONENT (RSC), WHICH CAN BE MOVED BETWEEN AIRCRAFT. THUS IT CAN HAVE DIFFERENT OPERATION CONDITIONS AND A DIFFERENT LIFE RECORD (FLIGHT HOURS/FLIGHT CYCLES/CALENDAR) FROM THE AIRCRAFT IT IS INSTALLED ON OR REMOVED FROM. THE OPERATOR IS RESPONSIBLE FOR THE SPECIFIC TRACKING AND CONTINUED AIRWORTHINESS OF REMOVABLE STRUCTURAL COMPONENTS. INCORRECT MAINTENANCE OF THESE COMPONENTS CAN CAUSE A RISK FOR THE FLIGHT SAFETY.

ZONE: 530
ZONE: 630

1. Reason for the Job
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)
98D27803000000	1	LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
530	L WG FLAP TAB, FLAP TRACK FAIR & WG TIP
630	RIGHT WING FLAP TRACK FAIR AND WING TIP

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 27-54-61-000-001-A	Removal of the Inboard Flap
TASK 27-54-61-000-003-A	Removal of the Inboard Double-Slotted Flap
TASK 27-54-62-000-001-A	Removal of the Outboard Flap
TASK 27-54-62-000-002-A	Removal of the Outboard Double-Slotted Flap
Nos 2, 3 and 4 Flap Carriages ** ON A/C NOT FOR ALL
Nos 2, 3 and 4 Flap Carriages ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 27-54-46-941-050-A

A. Safety Precautions
(1) On panel 114VU, put WARNING NOTICE(S) in position to tell persons not to operate the flap/slat controls.
(2) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.

Subtask 27-54-46-860-053-A

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) On panel 114VU, put the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION on the flap/slat control lever.
(3) Remove the safety collar from circuit breakers 10CV and 12CV.

Subtask 27-54-46-865-050-A

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 ALL
121VU	FLIGHT CONTROLS/WTB/FLP/SYS2	12CV	P20
121VU	FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2	8CV	Q21
122VU	FLIGHT CONTROLS/WTB/FLP/SYS1	10CV	S07

Subtask 27-54-46-010-050-A ** ON A/C NOT FOR ALL

D. Get Access
(1) Remove the applicable flap:

For the No 2 flap carriage, remove the inboard flap (Ref. AMM TASK 27-54-61-000-001).
For the Nos 3 and 4 flap carriages, remove the outboard flap (Ref. AMM TASK 27-54-62-000-001).

(2) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position adjacent to the applicable flap carriage.

Subtask 27-54-46-010-050-B ** ON A/C NOT FOR ALL

D. Get Access
(1) Remove the applicable flap:

For the No 2 flap carriage, remove the inboard flap (Ref. AMM TASK 27-54-61-000-003).
For the Nos 3 and 4 flap carriages, remove the outboard flap (Ref. AMM TASK 27-54-62-000-002).

(2) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position adjacent to the applicable flap carriage.

4. Procedure
Subtask 27-54-46-020-052-B

A. Removal of the Nos 2, 3 and 4 Flap Carriages

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 nuts (15) and (16), washers (8) and (14) and bolts (9) and (13).
(2) Remove the nuts (11), washers (12) and bolts (7).
(3) Remove the end stop (10).
(4) Remove the flap carriage (26).

[Rev.10 from 2021] 2026.04.01 07:00:37 UTC