# SDR SWAA2026072727275

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 23, 2026
- Submitted: July 28, 2026
- Operation: Air carrier
- Aircraft: [N8647A](https://openairdocs.org/aircraft/N8647A), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 42528
- Aircraft time: 39,657 hours, 19,343 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Sidewall 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/SWAA2026072727275

## Discrepancy

CORROSION ON LH FLOOR SIDEWALL SUPPORT AT FCB WL153 BS500C+11; +16; +17.   REMOVED AND REPLACED FCB FLOOR TO SIDEWALL SUPPORT FROM BS 400 TO BS 500I AND SPLICE LBL 23 WL 153 IAW SRM 51-40-02, DWG 143A7500 ID:0095, REV -, SRM 53-00-53-2R-6 REPAIR 6, AND TASK M-22-153-01550.

---
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.
