R Details of the Bottom Skin Joints - RIBS 11 thru 13 Figure 623/TASK 57-21-00-991-025
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Subtask 57-21-00-210-076
B. Inspection
(1) Examine the lower-surface skin joints (at the stringers 8 and 11) in the areas closed by the flap track 3 fairing (RIBS 11 thru 13). Make sure that:
-
there is no corrosion or damage
-
there are no scratches or scores
-
there are no loose or damaged fasteners
-the surface protection is in the correct condition.
NOTE : If necessary, refer to the ASRM (Ref. ASRM 572100) for the
____
correct repair procedure.
5. Close-up
________ R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
Subtask 57-21-00-410-067
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Install the applicable access panels (Ref. TASK 57-55-11-400-001):
-for the left wing, install 532AB, 532BB, 532CB, 532DB
-for the right wing, install 632AB, 632BB, 632CB, 632DB.
**ON A/C ALL
Subtask 57-21-00-942-072
B. Removal of Equipment
(1)
Remove the access platform(s).
(2)
Remove the TOOL-ZERO LOCKING, FLAP SLAT CTL LEVER (98D27803500001) from the flap/slat control lever.
(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.
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TASK 57-21-00-200-024
Detailed Inspection of Outer Wing, Bottom Skin Lower Surface, Spanwise Skin Joints at Stringer 8 and Stringer 11, between RIB18 ....
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.
1. Reason for the Job
__________________
Refer to the MPD TASK: 572151-01 Detailed inspection of outer wing, bottom skin lower surface, spanwise skin joints at stringer 8 and stringer 11, between RIB18 and RIB20 in area covered by flap track 4 fairing.
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific safety barriers No specific warning notice No specific access platform 2 m (6 ft. 7 in.) 98D27803500001 2 TOOL-ZERO LOCKING, FLAP SLAT CTL LEVER
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 11-026 GB DEF-STAN 68-148/1 SOLVENT GENERAL PURPOSE (Ref. 20-31-00) Material No. 19-003 USA AMS 3819 LINT-FREE COTTON CLOTH (Ref. 20-31-00)
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C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
27-50-00-866-009 Retraction of the Flaps on the Ground 57-55-11-000-001 Removal of the Flap Track Fairings Nos. 2, 3 and 4 57-55-11-400-001 Installation of the Flap Track Fairings Nos. 2, 3 and
4 ASRM 572100 (for corrective action) R 57-21-00-991-026 Fig. 624
3. Job Set-up
__________
Subtask 57-21-00-941-074
A. Safety Precautions
(1) Put a warning notice in the cockpit to tell persons not to operate the slats or flaps.
(2) Put the safety barriers in position.
Subtask 57-21-00-860-058
B. Aircraft Maintenance Configuration
(1)
Make sure the flaps are fully retracted (Ref. TASK 27-50-00-866-009).
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