# SDR SWAA2026101975908

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 2026
- Submitted: October 20, 2026
- Operation: Air carrier
- Aircraft: [N8657B](https://openairdocs.org/aircraft/N8657B), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 42535
- Aircraft time: 39,097 hours, 19,276 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Corroded
- Location: Zone 200
- 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/SWAA2026101975908

## Discrepancy

CORROSION FOUND ON FWD WET AREA FLOOR STRUCTURE AT BS 328+11 LBL 45 WL 208. REMOVED AND INSTALLED REPLACEMENT INTERCOSTAL AT BS 328-BS 344 LBL 45 IAW SRM 51-40-02-0G-0 AND DWG 141A5730 REV:A.

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