# SDR SWAA2025091104029

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 13, 2025
- Submitted: September 11, 2025
- Operation: Air carrier
- Aircraft: [N224WN](https://openairdocs.org/aircraft/N224WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32493
- Aircraft time: 64,161 hours, 38,577 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support Plate
- Condition: Corroded
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025091104029

## Discrepancy

CORROSION AFT CARGO BAY L/H FLOOR TO SIDEWALL SUPPORT PLATE MULTIPLE AREAS AROUND NUT PLATE HOLES BS727B TO BS767 LBL22 WL156.   CORROSION EVALUATION ON ACB L/H FLOOR TO SIDEWALL SUPPORT BS727B TO BS767 LBL22 WL156 WAS FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2.  REMOVED AND INSTALLED NEW ACB L/H FLOOR TO SIDEWALL SUPPORT ASSY. BS 727 T0 BS 847 LBL22 WL156 PER DWG 146A7500 REV A AND SRM 51-40-02-0G-0.

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