Removal of the No. 1 Slat

TASK 27-84-63-000-001-A
Removal of the No. 1 Slat

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.

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.

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: 510
ZONE: 610

1. Reason for the Job
Self explanatory
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	SUPPORT STRUCTURE - SLAT
No specific	AR	WARNING NOTICE(S)
No specific	AR	WRENCH - PNEUMATIC
98D27803000000	1	LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION
98D27804001000	1	ADAPTOR-DRIVE, SLAT (AND FLAP)
98D27804009001	1	SLATS - SLING
98F27508498000	AR	HOIST-R I,FLAP SLAT

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
510	LEFT WING SLATS
610	RIGHT WING SLATS
522NB, 622NB

C. Referenced Information

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 27-50-00-000-003-A	Removal of the Lock-Torque Shaft - Flaps and Slats (98D27504030001)
TASK 27-50-00-400-003-A	Installation of the Lock-Torque Shaft - Flaps and Slats (98D27504030001)
TASK 27-80-00-000-001-A	Removal of the Hoisting Sling
TASK 27-80-00-400-001-A	Installation of the Hoisting Sling
TASK 27-80-00-860-801-A	Readout of the Slat Position Pickoff Unit (PPU) Data
TASK 27-80-00-866-005-A	Retracting the Slats on the Ground
TASK 27-84-45-000-004-A	Removal of the Torque Shafts 6010CM and 6060CM
TASK 27-84-69-000-001-A	Removal of the Closing Plates for the Slat Tracks 1 thru 12
TASK 57-41-37-000-006-A	Removal of the Access Panels
Slat Attachment at the No. 1 and 2 Slat Tracks ** ON A/C NOT FOR ALL
Slat No. 1 - Location and General Configuration
Slat Attachment at the No. 3 and 4 Slat Tracks
Slat Attachment at the No. 1 and 2 Slat Tracks ** ON A/C NOT FOR ALL
Slat Attachment at the No. 3 and 4 Slat Tracks - Detail

3. Job Set-up
Subtask 27-84-63-941-050-A

A. Safety Precautions
(1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(2) Make sure the slats are fully retracted (Ref. AMM TASK 27-80-00-866-005).
(3) Install the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION on the flap/slat control lever on panel 114VU.
(4) Put a WARNING NOTICE(S) in the cockpit to tell persons not to operate the slat controls.

Subtask 27-84-63-860-055-A

B. Readout of the PPU Data
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(2) Do the readout of the PPU data (Ref. AMM TASK 27-80-00-860-801).

NOTE: Airbus recommends to do the readout and recording of the PPU angles before the maintenance action.
In case of a loss of the torque shaft fixture you can put the slat transmission system back to the initial condition (without a complete adjustment of the system).

(3) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

Subtask 27-84-63-010-051-A

C. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE below the zone 510(610).
(2) Remove the applicable access panel (Ref. AMM TASK 57-41-37-000-006):

For the left wing, remove 522NB
For the right wing, remove 622NB.

(3) Remove the applicable torque shaft (Ref. AMM TASK 27-84-45-000-004):

For the left wing, remove [6010CM]
For the right wing, remove [6060CM]

(4) Remove the 98D27504030001 LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT, installed outboard of the removed torque shaft (Ref. AMM TASK 27-50-00-000-003). [6010CM] or [6060CM]
(5) Install the 98D27804001000 ADAPTOR-DRIVE, SLAT (AND FLAP) and a WRENCH - PNEUMATIC or a wrench and socket on the applicable bevel gearbox:

For the left wing, use [6010CM]
For the right wing, use [6060CM]

NOTE: This will let you operate the slats manually.

(6) Fully extend the slats:

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.

(a) Manually extend the slats to the fully extended position.
(7) Install the 98D27504030001 LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT outboard of the removed torque shaft (Ref. AMM TASK 27-50-00-400-003). [6010CM] or [6060CM]
(8) Remove the slat track closing plates (Ref. AMM TASK 27-84-69-000-001).

Subtask 27-84-63-480-051-A

D. Installation of Support Equipment
(1) Install the 98D27804009001 SLATS - SLING (Ref. AMM TASK 27-80-00-400-001) or the 98F27508498000 HOIST-R I,FLAP SLAT.

4. Procedure
Subtask 27-84-63-020-051-A ** ON A/C NOT FOR ALL

A. Removal of the No. 1 Slat
(1) Lift the 98D27804009001 SLATS - SLING or the 98F27508498000 HOIST-R I,FLAP SLAT sufficiently, until it has the weight of the slat.
(2) Disconnect the slat-to-track bonding lead at the No. 1 Slat Track:

WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.

(a) Remove and discard the lockwire from the bolt (8).
(b) Remove the nut (1) and the bonding strap (2) from the bolt (8) but do not remove the bolt (8). Install the nut (1) on the bolt (8).
(3) At the No. 1, 2, 3 and 4 slat tracks:
(a) Remove and discard the cotter pins (5) from the nuts (18), (19), (20) and (42).
(b) Loosen the nuts (18), (19), (20) and (42) but do not remove them.
(c) Remove and discard the cotter pins (5) from the nuts (4), (6), (31) and (32).
(d) Remove the items that follow:

The nuts (4), (6), (31) and (32).
The washers (3), (7), (30) and (33).
The bolts (16), (17), (39) and (41).
The bush (34).

(e) Make sure that when the nut (32) is removed, the head of the bolt (39) is in contact with the web of the lug. If not, damage can occur to the anti-rotation.

Slat Attachment at the No. 3 and 4 Slat Tracks - Detail ** ON A/C NOT FOR ALL

(4) Lift the slat ( 41 kg (90.4 lb)) from the slat tracks.
(5) Move the slat with the hoist and lower it onto the SUPPORT STRUCTURE - SLAT.

Subtask 27-84-63-020-051-B ** ON A/C NOT FOR ALL

(a) Remove and discard the lockwire from the bolt (8).
(b) Remove the nut (1) and the bonding strap (2) from the bolt (8) but do not remove the bolt (8). Install the nut (1) on the bolt (8).
(3) At the No. 1 slat track:
(a) Remove and discard the cotter pins (5) from the nuts (18), (19), and (20).
(b) Loosen the nuts (18), (19), and (20) but do not remove them.
(c) Remove and discard the cotter pins (5) from the nuts (4) and (6).
(d) Remove the items that follow:

The nuts (4) and (6)
The washers (3) and (7)
The bolts (16) and (17).

(4) At the No. 2 slat track:
(a) Remove and discard the cotter pins (4) from the nuts (17), (18), and (19).
(b) Loosen the nuts (17), (18), and (19) but do not remove them.
(c) Remove and discard the cotter pins (4) from the nuts (3) and (5).
(d) Remove:

The nuts (3) and (5)
The washers (2) and (6)
The bolts (15) and (16).

(5) At the No. 3 and 4 slat tracks:
(a) Remove and discard the cotter pins (5) from the nuts (42).
(b) Loosen the nuts (42) but do not remove them.
(c) Remove and discard the cotter pins (5) from the nuts (31) and (32).
(d) Remove:

The nuts (31) and (32)
The washers (30) and (33)
The bolts (39) and (41)
The bush (34).

(e) Make sure that when the nut (32) is removed, the head of the bolt (39) is in contact with the web of the lug. If not, damage can occur to the anti-rotation.

Slat Attachment at the No. 3 and 4 Slat Tracks - Detail ** ON A/C NOT FOR ALL

(6) Lift the slat ( 41 kg (90.4 lb)) from the slat tracks.
(7) Move the slat with the hoist and lower it onto the SUPPORT STRUCTURE - SLAT.

Subtask 27-84-63-860-053-A

B. Removal of Support Equipment
(1) If you are to install a new slat, remove the 98D27804009001 SLATS - SLING (Ref. AMM TASK 27-80-00-000-001) or the 98F27508498000 HOIST-R I,FLAP SLAT.

[Rev.10 from 2021] 2026.04.01 04:09:21 UTC