Service difficulty report · Rib · Boeing 7377H4

Difficulty date
June 30, 2026
Submitted
July 25, 2026
Operation
Air carrier
Aircraft
N485WN
Make and model
Boeing 7377H4
Aircraft serial
32473
Aircraft time
71,955 hours, 43,342 cycles
Part
Rib
Condition
Cracked
Location
Zone 300
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 LEADING EDGE RIB, LE STA 151.75 AT RT HORIZONTAL STAB. REPLACED RIB AND FASTENERS IAW SRM 51-40-02, DWG 186A1001, SHEET 10, REV A .

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