(2)
Drain the remaining fuel from the appplicable fuel tank (Ref. TASK 28-25-00-650-003).
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
Subtask 57-21-00-010-070
C. Get Access
(1)
Put the adjustable access platform in position below the wing fuel tank, zone 540 (640).
(2)
Remove the applicable access panels (Ref. TASK 57-27-11-000-001) (Ref. TASK 57-27-11-000-002) (Ref. TASK 28-12-46-000-001) and (Ref. TASK 28-10-00-910-002):
-
for the left wing, remove 540CB, 540DB, 540EB, 540FB, 540GB, 540HB, 540JB, 540KB, 540LB, 540MB
-
for the right wing, remove 640CB, 640DB, 640EB, 640FB, 640GB, 640HB, 640JB, 640KB, 640LB, 640MB.
**ON A/C 301-399,
Subtask 57-21-00-010-070-A
C. Get Access
(1)
Put the adjustable access platform in position below the wing fuel tank, zone 540 (640).
(2)
Remove the applicable access panels (Ref. TASK 57-27-11-000-001) (Ref. TASK 57-27-11-000-002) and (Ref. TASK 28-10-00-910-002):
-
for the left wing, remove 540CB, 540DB, 540EB, 540FB, 540GB, 540HB, 540JB, 540KB, 540LB, 540MB
-
for the right wing, remove 640CB, 640DB, 640EB, 640FB, 640GB, 640HB, 640JB, 640KB, 640LB, 640MB.
**ON A/C ALL
4. Procedure
_________
R (Ref. Fig. 628/TASK 57-21-00-991-030)
Subtask 57-21-00-110-077
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 stringers 4, 5, 6, 7, 8, 11, 12 and 13 and drain holes (RIB8 thru RIB18).
Subtask 57-21-00-210-080
B. Inspection
(1) Examine the bottom skin stringers 4, 5, 6, 7, 8, 11, 12 and 13 and drain holes (RIB8 thru RIB18). 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.
Details of the Bottom Skin Stringers - RIBS 8 thru 18 R Figure 628/TASK 57-21-00-991-030
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