# SDR VNAA202601170013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 10, 2025
- Submitted: January 17, 2026
- Operation: Air carrier
- Aircraft: [N645NN](https://openairdocs.org/aircraft/N645NN), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15438
- Aircraft time: 14,490 hours, 14,999 cycles
- System (JASC): [5720 · Wing Miscellaneous Structure](https://openairdocs.org/jasc/5720)
- Part: Angle
- Part number: CC670391513SH670
- 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/VNAA202601170013

## Discrepancy

CORROSION ON FAIRING SUPPORTS (SETTLEMENTS AREA, LOWER/UPPER) BTW STA FS847.00 TO STA FS881 BTW STR 18RH TO STR 18LH AND CORROSION ON FAIRING SUPPORT MEMBRANES BTW STA FS 847.00 TO STA FS881 AND BTW STR 25RH TO STR25LH .  DUE TO EXCESSIVE DAMAGE ON ANGLE SUPPORT CENTER BTW FS.847 MUST BE REPLACED PER CRJ-900 SRM 51-10-06-001-001-A01 AND SRM 53-83-85-101-001-A01 AND PER CRJ900 SRM 51-40-11-001-001-A01 AND DUE TO EXCESSIVE DAMAGE ON FAIRING SUPPORTS SETTLEMENTS AREA (LOWER) BTW STA FS847 MUST BE REPLACED PER CRJ-900 SRM 51-10-06-001-001-A01 AND PER CRJ900 SRM 51-40-11-001-001-A01, AND SRM 53-83-85-101-001-A01, CORROSION ON FAIRING SUPPORTS (SETTLEMENTS AREA, LOWER/UPPER) BTW STA FS847.00 TO STA FS881 BTW STR18RH TO STR 18LH, AND CORROSION ON FAIRING SUPPORT MEMBRANES BTW STA FS 847.00 TO STA FS881 AND BTW STR 25RH TO STR25LH, CORROSION ON ANGLE SUPPORT RH UPPER AND ANGLE SUPPORT LH UPPER AT STA 847.00 REMOVED PER CRJ-900 SRM 51- 21-06-001-001-A01 AND AREAS WAS THEREFORE THEY ARE WITHIN OF LIMITS PER CRJ-900 SRM 53-00-00-101-001-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.