Service difficulty report · Stringer Clip · Boeing 7377H4

Difficulty date
August 10, 2021
Submitted
September 7, 2021
Operation
Air carrier
Aircraft
N755SA
Make and model
Boeing 7377H4
Aircraft serial
27871
Aircraft time
74,723 hours, 44,099 cycles
Part
Stringer Clip
Condition
Corroded
Location
Bs 500a
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 FWD CARGO BAY BS500A+15 RBL6 WL152. ; / [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 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; [03] REMOVED STR. CLIP AT BS 500A + 15; RBL6 WL 152 PER SRM 51-40-02-0G-0.; [04] FABRICATED STRINGER CLIP BS 500A+15; RBL 6; WL 152 PER SRM51-40-05-0G-0; DWG 143A3233; DWG 143A3230 USING BAC1493-856; 7075 T62; LOT #1459381-1. APPLIED A CHEMICAL CONVERSION COATING PER AMM 51-21-41-370-802.; [05] VERIFIED CORRECTIVE ACTION 4. <BR><BR>FABRICATION OF STRINGER CLIP.; [06] PRIMED STR. CLIP PER AMM 51-21-72-370-804; OK TO INSTALL.; [07] VERIFIED CORRECTIVE ACTION 6. <BR><BR>OK TO INSTALL STRINGER CLIP.; [08] INSTALLED STR. CLIP BS 500A +15; RBL 6; WL 152 PER SRM 51-40-02-0G-0; DWG 143A3230.; [09] VERIFIED CORRECTIVE ACTION 1. <BR><BR>STRINGER CLIP INSTALLED; [10] STRINGER CLIP AT BS500A+15'; RBL6; WL152 HAS BEEN REPLACED.<BR><BR>NO FURTHER ACTIONS REQUIRED.

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