Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
November 2, 2025
Submitted
December 10, 2025
Operation
Air carrier
Aircraft
N914WN
Make and model
Boeing 7377H4
Aircraft serial
36622
Aircraft time
57,369 hours, 34,854 cycles
Part
Stiffener
Condition
Cracked
Location
Zone 100
Stage of operation
IN
How discovered
E
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

FWD CARGO BAY BULKHEAD VERTICAL STIFFENER CRACKED, BS 540, LBL 24.97. REPLACED VERTICAL STIFFENER IAW SRM 51-40-02-0G-0, SRM 51-10-02-G-0, ITEM 9, AND DWG 11A2001, SHEET 113, REV B & DWG 111A2000, SHEET 49, REV -.

More about the Boeing 737-7H4