R **ON A/C ALL
R 4. Procedure_________
R (Ref. Fig. 621/TASK 57-21-00-991-023)
R Subtask 57-21-00-110-070
R A. Preparation for Inspection
R (1) Use a clean MISCELLANEOUS (Material No. 19-003), made moist with
R CLEANING AGENTS (Material No. 11-026), to clean the lower surfaces
R around the access panel cutouts (rib bays 13 thru 27).
R Subtask 57-21-00-210-074
R B. Inspection
R (1) Examine the lower surface of the bottom skin in the areas of the
R access panel cutouts (rib bays 13 thru 27). Make sure that:
R - there is no corrosion or damage
R - there are no scratches or scores
R - there are no loose or damaged fasteners
R - the surface protection is in the correct condition.
R NOTE : If necessary, refer to the (Ref. ASRM 572100) for the correct____
R repair procedure.
R 5. Close-up________
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
R Subtask 57-21-00-410-065
R A. Close Access
R (1) Make sure that the work area is clean and clear of tool(s) and other
R items.
R (2) Install the applicable access panels (Ref. TASK 57-27-11-400-002)
R (Ref. TASK 28-12-45-400-002) (Ref. TASK 28-12-46-400-001) (Ref. TASK
R 28-12-47-400-001) and (Ref. TASK 28-10-00-910-002):
R - for the left wing, install 540HB, 540JB, 540KB, 540LB, 540MB,
R 540NB, 540PB, 540QB, 540RB, 550AB, 550BB, 550CB, 550DB, 560AB
R R Details of the Bottom Skin Cutouts Figure 621/TASK 57-21-00-991-023
1EFF : 1 1 1CES ALL 1 111 57-21-00 Page A617 Aug 01/05
R - for the right wing, install 640HB, 640JB, 640KB, 640LB, 640MB,
R 640NB, 640PB, 640QB, 640RB, 650AB, 650BB, 650CB, 650DB, 660AB.
R **ON A/C 301-399,
R Subtask 57-21-00-410-065-A
R A. Close Access
R (1) Make sure that the work area is clean and clear of tool(s) and other
R items.
R (2) Install the applicable access panels (Ref. TASK 57-27-11-400-002)
R (Ref. TASK 28-12-45-400-002) (Ref. TASK 28-12-46-400-001) (Ref. TASK
R 28-12-47-400-001) and (Ref. TASK 28-10-00-910-002):
R - for the left wing, install 540HB, 540JB, 540KB, 540LB, 540MB,
R 540NB, 540PB, 540QB, 540RB, 550AB, 550BB, 550CB, 550DB, 560AB
R - for the right wing, install 640HB, 640JB, 640KB, 640LB, 640MB,
R 640NB, 640PB, 640QB, 640RB, 650AB, 650BB, 650CB, 650DB, 660AB.
R **ON A/C ALL
R Subtask 57-21-00-650-077
R B. Fuel Configuration
R (1) Refuel (Ref. TASK 12-11-28-650-003), defuel (Ref. TASK 28-25-00-650-
R 001) or transfer fuel (Ref. TASK 28-25-00-869-001) as necessary.
R Subtask 57-21-00-942-070
R C. Removal of Equipment
R (1) Remove the warning notice(s).
R (2) Remove the TOOL-ZERO LOCKING, FLAP SLAT CTL LEVER from the flap/slat
R control lever.
R (3) Remove the safety barriers.
R (4) Remove the access platform(s).
R (5) Remove the ground support and maintenance equipment, the special and
R standard tools and all other items.
TASK 57-21-00-200-022
Detailed Visual Inspection of Outer Wing Bottom Skin Lower Surface at Attachment to Ribs and Stringers in area covered by Flap Track 3 ....
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______ START A TASK ON OR NEAR:
-
THE FLIGHT CONTROLS
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