Service difficulty report · Stringer · Boeing 7377Q8

Difficulty date
December 7, 2021
Submitted
January 24, 2022
Operation
Air carrier
Aircraft
N7865A
Make and model
Boeing 7377Q8
Aircraft serial
30647
Aircraft time
54,104 hours, 35,814 cycles
Part
Stringer
Part number
25LH
Condition
Cracked
Location
Fwd Cargo Bay
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

CRACK ON FWD CARGO BAY BS 540 L/H STRINGER 25. STRINGER DAMAGE FOUND TO BE OUT LIMITS IAW SRM 53-00-03-1A FIG 103. REMOVED FASTENERS AT S25L BETWEEN BS 500D TO 540 AND REMOVED DAMAGE BY TRIMMING OUT STRINGER SECTION IAW SRM 53-00-03-2R-1 PAR. 4 STEP A - B. PERFORM NDI TO VERIFY FOR CRACK FREE CONDITION ON STR 25 L/H BS 500D+11'. LOCATED AND DRILLED STRINGER SECTION AND HAT SECTION AND APPLIED CHEMICAL CONVERSION COATING.

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