Special Detailed Inspection of Slat 3, Skin Connections in Area of Lower Girder at Track Rib Stations, LH/RH
TASK 57-44-00-200-008-A
Special Detailed Inspection of Slat 3, Skin Connections in Area of Lower Girder at Track Rib Stations, LH/RH
Refer to the MPD TASK: 574404-02
SPECIAL DETAILED INSPECTION (ENDOSCOPE) OF SLAT 3, SKIN CONNECTIONS IN AREA OF LOWER GIRDER AT TRACK RIB STATIONS, LH/RH.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 57-44-00-941-055-A
Subtask 57-44-00-280-051-A
Subtask 57-44-00-865-061-A
[Rev.10 from 2021]
2026.04.02 06:31:05 UTC
Special Detailed Inspection of Slat 3, Skin Connections in Area of Lower Girder at Track Rib Stations, 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.
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:
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.
1. Reason for the JobRefer to the MPD TASK: 574404-02
SPECIAL DETAILED INSPECTION (ENDOSCOPE) OF SLAT 3, SKIN CONNECTIONS IN AREA OF LOWER GIRDER AT TRACK RIB STATIONS, 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)- 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 |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.08BAA9) | Non Aqueous Cleaner-General - - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 513 | SLAT N° 3 |
| 613 | SLAT N° 3 |
| 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 51-78-00-916-001-A | Application of Temporary Protection System (TPS) |
| NTM 574404 | |
| SRM 574000 | (for corrective action) |
Subtask 57-44-00-941-055-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.
(3) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE below the applicable wing leading edge at slat 3, zone 521(621).
Subtask 57-44-00-860-056-A (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.
(3) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE below the applicable wing leading edge at slat 3, zone 521(621).
B. Aircraft Maintenance Configuration
(1) Extend the slats fully (Ref. AMM TASK 27-80-00-866-004).
(2) Install the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION on the flap/slat control lever.
Subtask 57-44-00-865-060-A (1) Extend the slats fully (Ref. AMM TASK 27-80-00-866-004).
(2) Install the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION on the flap/slat control lever.
C. Open, safety and tag this(these) circuit breaker(s):
Subtask 57-44-00-110-058-A | 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 |
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 3 skin connection (in the area of the lower girder at track ribs 7 and 8).
(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(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 3 skin connection (in the area of the lower girder at track ribs 7 and 8).
(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).
Subtask 57-44-00-280-051-A
A. Inspection
(1) Do a Special Detailed Inspection of Slat 3, Skin Connections in Area of Lower Girder at Track Rib Stations, LH/RH, for damage or discontinuities, NTM 574404.
(2) Make a report of the damage after the NTM inspection:
(a) Corrosion damage:
If you find corrosion, refer to the Structural Repair Manual SRM 574000 for the corrosion types, inspection, removal and subsequent corrosion protection.
(b) Other damage (scratches, cracks, gouges, dents, creases):
If you find this type of damage, refer to the Structural Repair Manual SRM 574000 for damage types, classification and corrective action.
5. Close-up(1) Do a Special Detailed Inspection of Slat 3, Skin Connections in Area of Lower Girder at Track Rib Stations, LH/RH, for damage or discontinuities, NTM 574404.
(2) Make a report of the damage after the NTM inspection:
(a) Corrosion damage:
If you find corrosion, refer to the Structural Repair Manual SRM 574000 for the corrosion types, inspection, removal and subsequent corrosion protection.
(b) Other damage (scratches, cracks, gouges, dents, creases):
If you find this type of damage, refer to the Structural Repair Manual SRM 574000 for damage types, classification and corrective action.
Subtask 57-44-00-865-061-A
A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 57-44-00-860-057-A Subtask 57-44-00-942-061-A | 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 |
C. Removal of Equipment
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the access platform(s).
(3) Remove the safety barriers.
(4) Remove the WARNING NOTICE(S).
(5) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the access platform(s).
(3) Remove the safety barriers.
(4) Remove the WARNING NOTICE(S).
(5) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
Details of the Slat 3 Skin Connection in the area of the Lower Girder (Track Ribs 7 and 8)