(2)
Install the TOOL-ZERO LOCKING, FLAP SLAT CTL LEVER (98D27803500001) on the flap/slat control lever.
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
Subtask 57-21-00-010-068
C. Get Access
(1)
Put the access platform in position below the applicable flap track 4, zone 533 (633).
(2)
Remove the applicable access panels (Ref. TASK 57-55-11-000-001):
-
for the left wing, remove flap track fairings 533AB, 533BB, 533CB, 533DB
-
for the right wing, remove flap track fairings 633AB, 633BB, 633CB, 633DB.
**ON A/C 301-399,
Subtask 57-21-00-010-068-A
C. Get Access
(1)
Put the access platform in position below the applicable flap track 4, zone 533 (633).
(2)
Remove the applicable access panels (Ref. TASK 57-55-11-000-001):
-for the left wing, remove flap track fairings 533CB, 533EB
-for the right wing, remove flap track fairings 633CB, 633EB.
**ON A/C ALL
4. Procedure
_________ R (Ref. Fig. 624/TASK 57-21-00-991-026) Subtask 57-21-00-110-073
A. Preparation for Inspection
(1) Use a clean MISCELLANEOUS (Material No. 19-003), made moist with CLEANING AGENTS (Material No. 11-026), to clean the bottom skin lower surface skin joints (at the stringers 8 and 11, in the areas closed by the flap track 4 fairing RIB18 thru RIB20).
R Details of the Bottom Skin Joints - RIBS 18 thru 20 Figure 624/TASK 57-21-00-991-026
1EFF : 1 1 1CES ALL 1 111 57-21-00 Page A634 Aug 01/05
Subtask 57-21-00-210-077
B. Inspection
(1) Examine the lower surface skin joints (at the stringers 8 and 11) in the areas closed by the flap track 4 fairing (RIB18 thru RIB20). 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 57-21-00-410-068
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 533AB, 533BB, 533CB, 533DB
-
for the right wing, install 633AB, 633BB, 633CB, 633DB.
**ON A/C 301-399,
Subtask 57-21-00-410-068-A
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 533CB, 533EB
-
for the right wing, install 633CB, 633EB.
**ON A/C ALL
Subtask 57-21-00-942-073
B. Removal of Equipment
(1)
Remove the warning notice(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 access platform(s).
(5)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
1EFF : ALL 1 57-21-00Page A636 1 1 Aug 01/05R 1 1 1CES 1
TASK 57-21-00-200-025
Detailed Visual Inspection of Outer Wing Bottom Skin Lower Surface at Drainholes for Track Cans 5, 6, 7, 8, 9, 10, 11 and 12 (Rib Bay ....)
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: 572153-01 Detailed visual inspection of outer wing bottom skin lower surface at drain holes for track cans 5, 6, 7, 8, 9, 10, 11 and 12 (rib bay 9-10, 11-12, 13-14, 16-17, 18-19, 21-22, 23-24 and 25-26 ) dry bay drain holes in rib bay 26-27 and magnetic level indicator positions adjacent to RIB9 and RIB12.
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