Service difficulty report · Stringer Clip · Boeing 7377H4

Difficulty date
July 31, 2021
Submitted
September 14, 2021
Operation
Air carrier
Aircraft
N491WN
Make and model
Boeing 7377H4
Aircraft serial
33867
Aircraft time
53,758 hours, 31,898 cycles
Part
Stringer Clip
Condition
Corroded
Location
Bs 907 S27l
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CORROSION ON STRINGER CLIP AT AFT CARGO BAY BS907 LBL5 WL166. ; / [01] EVALUATED CORROSION; FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-02-0G-0; [02] VERIFIED CORRECTIVE ACTION ENTRY 1.; [03] REMOVED STRINGER CLIP AT BS 907 LBL 5; WL 166; @STR 27 L; PER SRM 51-40-02-0G-0.; [04] LOCATED AND DRILLED STRINGER CLIP BS 907; LBL 05; WL 166 IAW SRM 51-40-05; DWG#147A0040. REQUEST OK TO INSTALL; [05] VERIFIED CORRECTIVE ACTION ITEMS 3 AND 4 ; OK TO INSTALL STRINGER CLIP.; [06] INSTALLED STRINGER CLIP BS 907; LBL 05 WL 166 PER SRM 51-40-02; DWG# 147A0040.; [07] VERIFIED CORRECTIVE ACTION ITEM 6; [08] VERIFIED CORRECTIVE ACTION ITEM 6

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