Service difficulty report · Rib · Boeing 7377H4

Difficulty date
May 7, 2025
Submitted
June 2, 2025
Operation
Air carrier
Aircraft
N285WN
Make and model
Boeing 7377H4
Aircraft serial
32536
Aircraft time
57,830 hours, 34,946 cycles
Part
Rib
Condition
Deformed
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

L/H HORIZONTAL STABILIZER REMOVABLE LEADING EDGE 331B STIFFENER IS DEFORMED AT LE STA 114<[01] UPON FURTHER INVESTIGATION LIGHTLY DEFORMATION FOUND ON RIB STIFFENER AT L/E STA 114; AND STRAIGHTENED IAW SRM 51-10-02 STEP 5 B. NOT OTHER DEFECTS NOTED PER NDT.;[02] CORRECTIVE ACTION COMPLETED.

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