# SDR SWAA2025052025711

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2025
- Submitted: May 20, 2025
- Operation: Air carrier
- Aircraft: [N226WN](https://openairdocs.org/aircraft/N226WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32494
- Aircraft time: 64,554 hours, 38,857 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/SWAA2025052025711

## Discrepancy

FCB - CORROSION ON SIDEWALL SUPPORT BS 400+10 RBL 23 WL 156.5 (MARKED) <[01].  REMOVED AND REPLACED FLOOR TO SIDEWALL SUPPORT AT FCB FROM BS 400 TO BS420 RBL 23 WL 156.5 IAW SRM 51-40-02 & DWG# 143A7500 REV: -. ID: 0071.

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