# SDR SWAA2021050359590

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 28, 2021
- Submitted: May 3, 2021
- Operation: Air carrier
- Aircraft: [N435WN](https://openairdocs.org/aircraft/N435WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32455
- Aircraft time: 60,695 hours, 36,047 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Corroded
- Location: Bs 275-345
- 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/SWAA2021050359590

## Discrepancy

**CORROSION** FWD CABIN WET AREA FLOOR STRUCTURE FROM STA # 275 TO STA # 345 FROM RBL-50 TO RBL-60 WITH SPOTS OF CORROSION. DOT # 208-03 WL 208; P/N 141A8315-4 / REPLACED INNER CHORD @ FWD CABIN WET AREA FLOOR STRUCTURE FROM STA 275 TO STA 345 FROM RBL 50 TO RBL 60 AS PER B737-700 SRM 51-40-02-0G-0. AND DWG 141A8315-4.

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