Service difficulty report · Rib · Boeing 7377H4

Difficulty date
June 24, 2025
Submitted
July 22, 2025
Operation
Air carrier
Aircraft
N446WN
Make and model
Boeing 7377H4
Aircraft serial
29842
Aircraft time
69,688 hours, 41,502 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

CRACK RIB LEADING EDGE LOCATED LE STA105.26 AT LT HORIZONTAL STABILIZER. REPLACED RIB ON LEADING EDGE LOCATED LE STA105.26 AT LT HORIZONTAL STABILIZER IAW B737-700 SRM 51-10-02 ITEM 9 AND INSTALLED FASTENERS IAW B737-700 SRM 51-40-02 AND DWG 186A1001 SHEET: 10 REV: A.

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