SDR SWAA2026061596315

Service difficulty report · Sidewall Support · Boeing 7377H4

Difficulty date: May 7, 2026
Submitted: July 22, 2026
Operation: Air carrier
Aircraft: N925WN
Make and model: Boeing 7377H4
Aircraft serial: 36630
Aircraft time: 58,239 hours, 35,449 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Sidewall Support
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 AFT CARGO BAY RT FLOOR TO SIDEWALL SUPPORT PLATE HAD MULTIPLE AREAS AROUND NUT PLATE HOLES, BS 727B - 767, RBL 22, WL 156. EVALUATED, REMOVED, LOCATED, DRILLED, AND INSTALLED A NEW FLOOR TO SIDEWALL SUPPORT BS 727 - 767, RBL 22, WL 156, IAW SRM 51-40-02-0G-0, SRM 51-40-05-0G-0, DWG 146A7500, REV -, AND 146A0061, REV A.

More about the Boeing 737-7H4