Detailed Inspection of Slat 1, Tracks 1 to 4 Attachments, including Track Rib Lugs, Track Lugs, Bolts, Links and Side Plates, LH/RH

TASK 57-42-00-200-001-A
Detailed Inspection of Slat 1, Tracks 1 to 4 Attachments, including Track Rib Lugs, Track Lugs, Bolts, Links and Side Plates, 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: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

CAUTION: DO NOT APPLY TEMPORARY PROTECTION SYSTEM (TPS) ON THE INSPECTION AREA. IF YOU APPLY TPS ON THE INSPECTION AREA, YOU CAN CAUSE DAMAGE TO THE AIRCRAFT.

ZONE: 511
ZONE: 611

1. Reason for the Job
Refer to the MPD TASK: 574202-01
DETAILED INSPECTION OF SLAT 1, TRACKS 1 TO 4 ATTACHMENTS, INCLUDING TRACK RIB LUGS, TRACK LUGS, BOLTS, LINKS AND SIDE PLATES, 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)
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. Consumable Materials

REFERENCE	DESIGNATION
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
511	SLAT N° 1
611	SLAT N° 1

D. Referenced Information

REFERENCE	DESIGNATION
TASK 27-80-00-866-004-A	Extending the Slats on the Ground
TASK 27-80-00-866-005-A	Retracting the Slats on the Ground
TASK 27-84-63-000-001-A	Removal of the No. 1 Slat
TASK 27-84-63-400-002-A	Installation of the No. 1 Slat
TASK 51-78-00-916-001-A	Application of Temporary Protection System (TPS)
SRM 574000	(for corrective action)
Details of the Slat Track 1 to 4 Attachment Links, Side Plates and Bolts

3. Job Set-up
Subtask 57-42-00-941-050-A

A. Safety Precautions
(1) Put WARNING NOTICE(S) in the cockpit to tell persons not to operate the flaps or slats.
(2) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.

Subtask 57-42-00-860-050-A

B. Aircraft Maintenance Configuration
(1) Fully extend the slats (Ref. AMM TASK 27-80-00-866-004).
(2) Make sure the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION is installed on the flap/slat control lever.
(3) Put the ACCESS PLATFORM 3M (10 FT) below the applicable wing leading edge at slat 1, zone 521 (621).

Subtask 57-42-00-865-050-A

C. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1	5CV	B06
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1	5CV	B01
** ON A/C ALL
121VU	FLIGHT CONTROLS/SLT/CTL/SYS2	7CV	R21

Subtask 57-42-00-110-050-A

D. Preparation for Inspection
(1) Make sure that the inspection area is sufficiently clean to do the inspection of the area.
(2) Use a Textile-Lint free Cotton - (Material No.14SBA1) , made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) to clean the slat track 1 to 4 attachment link area.
(3) Make sure that there is no TPS layer and if there is a TPS layer, remove it (Ref. AMM TASK 51-78-00-916-001).

4. Procedure
Subtask 57-42-00-210-050-A ** ON A/C NOT FOR ALL

A. Inspection
(1) Examine the slat tracks 1 to 4 attachment links, side plates, track rib lugs and track lugs. Make sure that:

there is no corrosion, cracks or damage.

NOTE: If necessary, refer to the ASRM SRM 574000 for the correct repair procedure.

(2) Examine each slat attachment bolt as follows:

NOTE: Remove one of the attachment bolts, examine it and install it correctly before removing a different bolt for inspection. Do not remove more than one attachment bolt at any time.

(a) Remove one of the slat attachment bolts (Ref. AMM TASK 27-84-63-000-001).
(b) Examine the attachment bolt. Make sure that:

there is no corrosion or damage
the shank of the bolt is not worn
the bolt hole is not worn.

NOTE: If necessary, discard the worn/damaged bolt and install a replacement item.

(c) Install the slat attachment bolt (Ref. AMM TASK 27-84-63-400-002).
(d) Do step (a) thru (c) for each attachment bolt on the slat tracks 1 to 4.

Subtask 57-42-00-210-050-B ** ON A/C NOT FOR ALL

A. Inspection
(1) Examine the slat tracks 1 to 4 attachment links, side plates, nuts and bolts. Make sure that:

there is no corrosion, cracks or damage
all the nuts are tight and safetied.

NOTE: If necessary, refer to the ASRM SRM 574000 for the correct repair procedure.

5. Close-up
Subtask 57-42-00-865-051-A

A. 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/SLT/CTL AND MONG/SYS1	5CV	B06
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1	5CV	B01
** ON A/C ALL
121VU	FLIGHT CONTROLS/SLT/CTL/SYS2	7CV	R21

Subtask 57-42-00-860-051-A

B. Aircraft Configuration
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the access platform(s).
(3) Fully retract the slats (Ref. AMM TASK 27-80-00-866-005).

Subtask 57-42-00-942-051-A

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

[Rev.10 from 2021] 2026.04.02 06:31:03 UTC