N75776
W-16 - WING REAR SPAR/FRONT SPAR UPPER CHORD AND SKIN
Original D6-82669 8.1 WING SSI INFORMATION

W-16  INSPECTION INSTRUCTIONS  REFERENCES  ACCESS MANHOURS 
MPD  CPCP  OTHERS  INSP  MHRS  ELPSD 
TITLE:  WING REAR SPAR/FRONT SPAR UPPER CHORD AND SKIN  S57-14-A  C57-300-01  I. (1)  98  49 

I.  INSPECTION OPTIONS - DTR CHECK FORM W-16 Upper skin at fastener rows common to both front and rear spar chords, WBL 144 to WBL 279.25.
(1) Skin
(External) From Direction 1, using visual inspection methods.

Access: None required.
Zone(s): 300, 400.

8.1   WING SSI INFORMATION D6-82669 Original

D6-82669 8.1 WING SSI INFORMATION
Original

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N75782
W-17 - WING REAR SPAR LOWER CHORD, WEB, AND SKIN
Original D6-82669 8.1 WING SSI INFORMATION

W-17  INSPECTION INSTRUCTIONS  REFERENCES  ACCESS MANHOURS 
MPD  CPCP  OTHERS  INSP  MHRS  ELPSD 
TITLE:  WING REAR SPAR LOWER CHORD, WEB, AND SKIN  S57-14-B S57-15-B S57-32-B  C57-305-01 C57-306-01 C53-212-01 C57-300-01 

I. INSPECTION OPTIONS - DTR CHECK FORM W-17A
Rear spar lower chord from WBL 83 to WBL 350, except as covered by DTR Check Forms W-17B, W-17C, and W-17D.
(1) Spar Chord
(Internal) From Direction 1, at fasteners common to the lower wing skin, using visual inspection methods.
Access:  Defuel and purge tanks (S3051, S4051). Remove lower wing access panels 7202, 7204, 7205, 7206, 7207, 7208, 7209, 7210, 7402, 7404, 7405, 7406, 7407, 7408, 7409, 7410 and inspar rib access panels* 7225, 7227, 7425, 7427.
* Do NOT remove more than one panel per rib unless engine is removed.
Zone(s): 305, 405.

(2) Spar Web
(Internal) From Direction 2, inspect the spar web from the edge of the lower spar chord to midway between upper and lower chords, using visual inspection methods.
Access:  Raise spoilers (S3002), extend trailing flaps (S3003). Remove access panels 8401, 8501.
Zone(s):  307, 407, 308, 408, 309, 409.
8.1  WING SSI INFORMATION D6-82669  Original

II. INSPECTION OPTIONS - DTR CHECK FORM W-17B
Rear spar lower chord at stiffener and/or external fitting locations: RSS 145.6, 151.6, 186.9, 194.09, 206.11, 212.0, and 215.97 through 352.94.
(1) Spar Chord
(Internal) From Direction 1, at fastener locations common to the wing lower skin, using visual inspection methods.
Access:  Defuel and purge tanks (S3051, S4051). Remove lower wing access panels 7202, 7204, 7205, 7206, 7207, 7402, 7404, 7405, 7406, and inspar rib access panels 7225, 7227, 7425, 7427.
Zone(s):  305, 405.
　
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