# SDR SWAA2026092811189

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 25, 2026
- Submitted: September 29, 2026
- Operation: Air carrier
- Aircraft: [N8643A](https://openairdocs.org/aircraft/N8643A), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 42524
- Aircraft time: 39,924 hours, 19,432 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Corroded
- Location: Zn 100 Fus Lower
- 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/SWAA2026092811189

## Discrepancy

CORRODED FLOOR SUPPORT,  BS 312+5, LBL 11, WL 208.   REMOVED AND REPLACED THE FLOOR SUPPORT BTWN BS 312 - 328 IAW SRM 51-40-02, AND DWG 141A5400, REV -.

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