Service difficulty report · Rib · Boeing 7377H4

Difficulty date
August 5, 2023
Submitted
September 5, 2023
Operation
Air carrier
Aircraft
N449WN
Make and model
Boeing 7377H4
Aircraft serial
32469
Aircraft time
65,862 hours, 39,346 cycles
Part
Rib
Part number
UNKNOWN
Condition
Cracked
Location
Zn 300 Stabilize
Stage of operation
IN
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 LEADING EDGE RIB LOCATED LE STA 95.96 AT LT HORIZONTAL STABILIZER 2023-477709<[01] REPLACED LEADING EDGE RIB LOCATED LE STA 95.96 AT LT HORIZONTAL STABILIZER AND FASTENERS IAW B737-700 SRM 51-10-02 ITEM 9 AND DRAWING # 186A1001 SHEET 10 REV. A. SEE INDIVIDUAL SIGNOFFS BELOW.;[02] CORRECTIVE ACTION CERTIFIED

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