Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
October 30, 2025
Submitted
November 18, 2025
Operation
Air carrier
Aircraft
N455WN
Make and model
Boeing 7377H4
Aircraft serial
32462
Aircraft time
70,318 hours, 42,031 cycles
Part
Stiffener
Condition
Cracked
Location
Zone 200
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 FLOORBEAM LOCATED BS540 BETWEEN BL 0 TO LBL 24.75. REPLACED THE FLOORBEAM IAW SRM 51-40-02 AND DRAWING 143A0060, SHEET 36, REV A.

More about the Boeing 737-7H4