Service difficulty report · Web · Boeing 7377H4

Difficulty date
July 24, 2025
Submitted
August 15, 2025
Operation
Air carrier
Aircraft
N229WN
Make and model
Boeing 7377H4
Aircraft serial
32498
Aircraft time
64,915 hours, 38,879 cycles
Part
Web
Part number
146A812310
Condition
Corroded
Location
Zone 100
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

CORROSION ON AFT CARGO BAY LOWER MAIN SILL WEB AT BS 787+10, RBL 20.5, WL 156. REMOVED AND REPLACED WEB ON ACB LOWER MAIN SILL BS 794 - BS 847, RBL 20.5, WL156 IAW SRM 51-40-02-0G-0 AND DWG 146A8120 REV -.

More about the Boeing 737-7H4