SDR SWAA2025072985553

Service difficulty report · Support Plate · Boeing 7377H4

Difficulty date: June 25, 2025
Submitted: July 29, 2025
Operation: Air carrier
Aircraft: N296WN
Make and model: Boeing 7377H4
Aircraft serial: 36613
Aircraft time: 58,371 hours, 35,212 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 BS727B TO BS767 LBL22 WL156. EVALUATED; LOCATED; DRILLED; REMOVED AND REPLACED AFT CARGO BAY L/H FLOOR TO SIDEWALL SUPPORT PLATE IAW SRM 51-40-02-0G-0; SRM 51-40-05-0G-0; DWG 146A7500 REV -, DWG 146A0061 REV A, AND DWG 146A7500 REV -.

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