# SDR VNAA202601170011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 14, 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): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Skin
- Condition: Corroded
- Location: Zone 500 Flap
- 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/VNAA202601170011

## Discrepancy

CORROSION ON INNER SKIN TRAILING EDGE OF LH WING BTW STA BL45 TO STA WS 38, AND CORROSION ON INTERCOSTAL (2EA) OF LH WING T. EDGE BTW STA BL45 TO STA WS 38.  CORROSION ON INNER SKIN TRAILING EDGE OF LH WING BTW STA BL45 TO STA WS 38 WAS REPAIRED PER REO 690-57-21-548 REV - -,INTERCOSTAL CC670-10322-7 AND CC670-10321-3 OF LH WING T. EDGE BTW STA BL45 TO STA WS 38 WERE REPAIRED PER REO 690-57-22-118 REV. - - AND REO 690-57-22-117 REV. - -,  BRACKET ASSY P/N: CC670-75269-3 WAS EVALUATED PER CRJ-900 SRM 53-00-00-101-001-A01 AND REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01

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