Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
December 3, 2021
Submitted
December 30, 2021
Operation
Air carrier
Aircraft
N234WN
Make and model
Boeing 7377H4
Aircraft serial
32502
Aircraft time
52,359 hours, 31,270 cycles
Part
Stringer
Condition
Cracked
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

CRACKED STRINGER 26R, BS 540. REMOVED DAMAGED SECTION AND PERFORMED VISUAL INSPECTION IAW SRM 53-00-03-2R-1 REP 1, STEPS 4 A-B. ACCOMPLISHED HFEC INSPECTION OF CUTOUT EDGE, NO CRACK NOTED IAW NDTM PART 6, 51-00-00, PROCEDURE 23. EVALUATED CRACK AND FOUND OUT LIMITS IAW SRM 53-00-03-1A-1, PARAGRAPH 4A (2)A-1. HEAT TREATED AND DYE PENETRANT ON AND HAT SECTION AND HEAT TREATED IAW SRM 53-00-03-2R-1, REP 1. INSTALLED REPAIR IAW SRM 53-00-03-2R-1, REP 1, AND DWG 143A3230, REV-.

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