Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
March 27, 2026
Submitted
May 4, 2026
Operation
Air carrier
Aircraft
N255WN
Make and model
Boeing 7377H4
Aircraft serial
32513
Aircraft time
64,030 hours, 38,700 cycles
Part
Stiffener
Condition
Cracked
Location
Zone 100
Stage of operation
IN
How discovered
V
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 VERTICAL STIFFENER. BS 540 AND LBL 24.75 UPPER POSITION AT FWD CARGO BAY. REPLACED VERTICAL STIFFENER & FASTENERS IAW; SRM 51-10-02 ITEM 9, SRM 51-40-02, AND DRAWING 111A2001 SHEET 79, REV -.

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