# SDR VNAA202601280011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 28, 2026
- Submitted: January 28, 2026
- Operation: Air carrier
- Aircraft: [N646NN](https://openairdocs.org/aircraft/N646NN), registered now
- Make and model: Cndair CL6002C10
- Aircraft serial: 15439
- Aircraft time: 13,250 hours, 13,743 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Part number: SH670323647
- 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/VNAA202601280011

## Discrepancy

CORROSION ON SUPPORT ANGLE, FS280.0 BTW LBL11 TO RBL 11 AT COCKPIT FLOOR STRUCTURE.   CORROSION ON SUPPORT ANGLE, FS280.0 BTW LBL11 TO RBL 11 AT COCKPIT FLOOR STRUCTURE WAS EVALUATED OUT OF LIMITS PER CRJ-900 SRM 51-10-06-001-001-A01, REPLACED PER CRJ900 SRM 51-42-06-001-001-A01 AND PER CRJ900 SRM 51-42-21-001-001-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.