# SDR AALA202609306951

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 3, 2026
- Submitted: September 30, 2026
- Operation: Air carrier
- Aircraft: [N810NN](https://openairdocs.org/aircraft/N810NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33207
- Aircraft time: 50,249 hours, 21,326 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- 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/AALA202609306951

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: FILIFORM CORROSION ON FLOOR BEAM AROUND FASTENER HOLE AT STATION 986 FROM RBL 27 TO RBL 49. MAINTENANCE INSTALLED REPAIR AT STATION 986 FROM RBL 27 TO RBL 49 PER SRM 53-70-51-2R-6, ALT 4 AND EA 378897 DRAFT 4.

---
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.