SDR SWAA2026061596314

Service difficulty report · Support Plate · 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: Support Plate
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 L/H FLOOR TO SIDEWALL SUPPORT PLATE MULTIPLE AREAS AROUND NUT PLATE HOLES, BS 727B - 767, LBL 22, WL 156. REMOVED AND REPLACED THE AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT, BS 727 - 847, LBL 22, WL 156, IAW SRM 51-40-05-0G-0, SRM 51-40-02-0G-0, DWG 146A7500, REV -, AND DWG 146A0061, REV A.

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