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
26LH
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 26. STRINGER DAMAGE FOUND TO BE OUT LIMITS IAW SRM 53-00-03-1A FIG 103. REMOVED FASTENERS AT STR 25L/H BETWEEN BS 500D TO 540 AND REMOVED DAMAGE BY TRIMMING OUT STRINGER SECTION AT BS 500D+11' TO BS 536 IAW SRM 53-00-03-2R-1 PAR. 4 STEP A - B. PERFORM NDI TO VERIFY FOR CRACK FREE CONDITION ON STR 26 L/H BS 500D+11'; [09] ACCOMPLISHED HFEC INSPECTION OF CUTOUT EDGE NO CRACKS NOTED IAW 737 NDTM PART 6; 51-00-00 PROCEDURE 23. FABRICATED; LOCATED AND DRILLED REPAIR PARTS PER SRM 53-00-03-2R-1.FIG 205. APPLIED CHEMICAL CONVERSION COATING PER SRM 53-00-03-2R-1. 4.I. REQUEST OK TO PRIME. APPLIED PRIMER ON REPAIR PARTS PER SRM 53-00-03-2R-1. 4.J.

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