Service difficulty report · Stringer Clip · Boeing 73776N

Difficulty date
November 16, 2021
Submitted
December 13, 2021
Operation
Air carrier
Aircraft
N7722B
Make and model
Boeing 73776N
Aircraft serial
32668
Aircraft time
49,599 hours, 25,042 cycles
Part
Stringer Clip
Condition
Corroded
Location
Fuselage
Stage of operation
UK
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 BS 887, S22L, LBL 41. FOUND TO BE OUT LIMITS IAW SRM 51-10-02-0G-0. REMOVED STRINGER CLIP IAW SRM 51-40-02-0G-0. PRE-FABRICATED STRINGER CLIP HEAT TREATMENT REQUIRED TO T62 IAW DRAWING 147A3500. LOCATED, DRILLED, AND TREATED THE NEW STRINGER CLIP IAW SRM 51-40-05, SRM 51-20-01, AND DWG 147A3500 REV C. PRIMED NEW STRINGER CLIP IAW SOPM 20-41-02, AND DWG 147A3500 REV C, INSTALLED STRINGER CLIP IAW SOPM 20-41-02-0G-0, AND DWG 147A3287 REV A.

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