# SDR SWAA2026041378098

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 9, 2026
- Submitted: April 13, 2026
- Operation: Air carrier
- Aircraft: [N8631A](https://openairdocs.org/aircraft/N8631A), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 42385
- Aircraft time: 39,753 hours, 19,327 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/SWAA2026041378098

## Discrepancy

CORROSION ON FLOOR SUPPORT INTERCOSTAL AT BS947+2 RBL 51; WL208<[01] REMOVED AND REPLACED AFT WET AREA FLOOR SUPPORT INTERCOSTAL BS947+2 RBL 51; WL208 IAW SRM 51-40-02-0G-0 AND DWG# 147A5650 REV-A;[02] VERIFIED CORRECTIVE ACTION

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.