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.
Zone(s): 221.
(2)
Spar Chord
(Internal) From Direction 2, using HFEC (Ref. NDT Manual D6-37239, Part 6, 57-10-23).
2.0 elapsed hours and 2.0 manhours are required to accomplish this inspection.
Access: Same as I. (1).
Zone(s): Same as I. (1).
(3)
Skin
(Internal) From Direction 3, using visual inspection methods.
Access: Same as I. (1).
Zone(s): Same as I. (1).
8.1 WING SSI INFORMATION D6-82669 Original
II. INSPECTION OPTIONS - DTR CHECK FORM W-1B Series -400 only. Inspect the spar chord between right and left side of body splices.
(1) Spar Chord
(Internal) From Direction 1, using visual inspection methods.
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.
Zone(s): 221.
(2) Spar Chord
(Internal) From Direction 2, using HFEC (Ref. NDT Manual D6-37239, Part 6, 57-10-23).
2.0 elapsed hours and 2.0 manhours are required to accomplish this inspection.
Access: Same as II. (1).
Zone(s): Same as II. (1).
Original D6-82669 8.1 WING SSI INFORMATION
8.1 WING SSI INFORMATION D6-82669 Original
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W-6 - WING CENTER SECTION, LOWER PANEL, TYPICAL STRINGER
Original D6-82669 8.1 WING SSI INFORMATION
W-6 INSPECTION INSTRUCTIONS REFERENCES ACCESS MANHOURS
MPD CPCP OTHERS INSP MHRS ELPSD
TITLE: WING CENTER SECTION, LOWER PANEL, TYPICAL STRINGER S57-01-A S57-18-A S57-30-B C57-221-01 C53-212-01 98 49
I. INSPECTION OPTIONS - DTR CHECK FORM W-6A Lower panel Stringer 1 from Side-of-Body to Side-of-Body.
(1) Skin
(Internal) From Direction 1, inspect the skin from outside the wing tank at stringer fastener locations using visual inspection methods.
NOTE: Valid only where skin is not obstructed.
Access: Access through left air-conditioning equipment bay access door (3303) and the ram inlet duct cavity. Remove ducting and ducting access door and air-conditioning equipment as required.
Zone(s): 211, 212, 213, 214, 215
(2) Stringer
(Internal) From Direction 2, using visual inspection methods.
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. 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：737-300/400/500 补充结构检查文件 SUPPLEMENTAL STRUCTURAL INSPECTION DOCUMENT 1(30)
