# SDR VNAA202610280021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 20, 2026
- Submitted: October 30, 2026
- Operation: Air carrier
- Aircraft: [N566NN](https://openairdocs.org/aircraft/N566NN), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15353
- Aircraft time: 26,164 hours, 22,890 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: CC670341808S
- 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/VNAA202610280021

## Discrepancy

CORROSION ON FLOORBEAM AT FS280 AND STGR 25RH ON INTERNAL FUSELAGE.   FLOOR POST AT FS280 AND STGR 25RH ON INTERNAL FUSELAGE. WAS REPLACED PER CRJ-900 SRM 51-40-11-001-001-A01, CRJ900 SRM 51-42-06-001-001-A01, CRJ900 SRM 51-42-21-001-001-A01, CRJ-900 SRM 51-42-13-001-001-A01 AND CRJ-900 SRM 51-42-10-001-001-A01

---
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.