# SDR SWAA2026033177260

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 6, 2026
- Submitted: March 31, 2026
- Operation: Air carrier
- Aircraft: [N249WN](https://openairdocs.org/aircraft/N249WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 34951
- Aircraft time: 64,100 hours, 38,781 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support
- 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/SWAA2026033177260

## Discrepancy

FCB; CORROSION ON LH AFT BODY TO SIDE WALL SUPPORT STA 507-500D LBL22 WL156.   REMOVED AND REPLACED FCB FLOOR TO SIDEWALL SUPPORT AT BS 395 - 500D, LBL 22, WL 156 IAW SRM 51-40-05 AND DWG 143A7501 0112, REV A.

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