Access: Defuel and purge tank (S2211). Access through left air-conditioning equipment bay access door (3303) and through left center wing tank lower forward skin access panel and spanwise beam access holes.
NOTE: Requires removal of sealant from the splice plate between the splice fittings.
Zone(s): 221.
(3) Splice Plate
(Internal) From Direction 2, using HFEC (Ref. NDT Manual D6-37239, Part 6, 57-10-27).
1.0 elapsed hour and 1.0 manhour are required to accomplish this inspection.
Access: Same as I. (2).
Zone(s): Same as I. (2).
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8.1 WING SSI INFORMATION D6-82669
PAGE W-10.2 BOEING PROPRIETARY - Copyright (c) - Unpublished Work -See title page for details.
II. INSPECTION OPTIONS - DTR CHECK FORM W-10B Mid to aft splice plate segment, outboard splice, from Rear Spar to Stringer 11.
(1) Splice Plate
(Internal) From Direction 1, (outside the wing) using LFEC (Ref. NDT Manual D6-37239, Part 6, 57-30-04). 5.5 elapsed hours and 11.0 manhours are required to accomplish this inspection.
Access: Remove lower Wing Body Fairings 7221, 7222, 7223, 7421, 7422, and 7423.
Zone(s): 222, 223.
(2) Splice Plate (Internal) From Direction 2, using HFEC (Ref. NDT Manual D6-37239, Part 6, 57-10-27). 1.0 elapsed hour and 1.0 manhour are required to accomplish this inspection. Access: Defuel and purge tank (S3051, S4051). Gain access by removing access doors 7202, 7402.
NOTE: Requires removal of sealant from the splice plate between the splice fittings. Zone(s): 305, 405.
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W-11 - WING UPPER BBL 70.85 SPLICE
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D6-82669 8.1 WING SSI INFORMATION
PAGE W-11.1
W-11 INSPECTION INSTRUCTIONS REFERENCES ACCESS MANHOURS
MPD CPCP OTHERS INSP MHRS ELPSD
TITLE: WING UPPER BBL 70.85 SPLICE S57-19-B S57-26-A S57-27-A C53-212-01 C57-221-01 C57-305-01 I.(1) II.(1) III.(1) III.(2) 98 24 32 12 8 3 63
I. INSPECTION OPTIONS - DTR CHECK FORM W-11A From the rear spar to the front spar, inboard of BBL 70.85.
(1) Stringer and Splice Fitting
(Internal) From Direction 1, including fastener locations, using visual inspection methods.
Access: Air conditioning access panel 3303 and the wing center section access door. Requires selective removal of some air conditioning equipment. Requires removal of bladder cells.
Zone(s): 221.
(2) Skin (Internal) From Direction 2, adjacent to stringers and side-of-body rib, using visual inspection methods.
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