# SDR VNAA202511210015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 21, 2025
- Submitted: November 23, 2025
- Operation: Air carrier
- Aircraft: [N647NN](https://openairdocs.org/aircraft/N647NN), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15440
- Aircraft time: 14,326 hours, 14,759 cycles
- System (JASC): [5710 · Wing Main, Frame Structure](https://openairdocs.org/jasc/5710)
- Part: Support
- Part number: CC670121115
- Condition: Corroded
- Location: Zone 500
- 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/VNAA202511210015

## Discrepancy

CORROSION ON SETTLEMENT AREA OF ACCESS PANEL 521AT AT LH WING.   SETTLEMENT AREA OF ACCESS PANEL 521AT AT LH WING (LH SIDE FRAME HOUSING LANDING P/N: CC670-12111-5) WAS EVALUATED OUT OF LIMITS PER CRJ-900 SRM 57-41-01-101-001-A01 REPLACED PER CRJ900 SRM 51-42-06-001-001-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.