# SDR VNAA202607300015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 19, 2026
- Submitted: July 31, 2026
- Operation: Air carrier
- Aircraft: [N644NN](https://openairdocs.org/aircraft/N644NN), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15437
- Aircraft time: 15,145 hours, 15,678 cycles
- System (JASC): [5720 · Wing Miscellaneous Structure](https://openairdocs.org/jasc/5720)
- Part: Intercostal
- Part number: CC670103228
- Condition: Corroded
- Location: Zone 600
- 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/VNAA202607300015

## Discrepancy

CORROSION ON INTERCOSTAL BTW WS=29.00 AND WS=48.95 AT RT WING INTERNAL AUXILIARY REAR SPAR.   INTERCOSTAL BTW WS 29.00 AND WS 48.95 AT RH WING INTERNAL AUXILIARY REAR SPAR WAS REPLACED IAW  SRM 51-42-21-001-001-A01.

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