# SDR VNA2025F00029

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 17, 2025
- Submitted: October 14, 2025
- Operation: Air carrier
- Aircraft: [N640NN](https://openairdocs.org/aircraft/N640NN), registered now
- Make and model: Bombdr CL6002D15
- Aircraft serial: 15425
- Aircraft time: 13,927 hours, 14,570 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Part number: CC690100404
- 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/VNA2025F00029

## Discrepancy

CORROSION ON UPPER SKIN BTW WS178.00 TO WS220.00 AT RH WING.  CORROSION ON UPPER SKIN BTW WS178.00 TO WS220.00 AT RH WING WAS REMOVED AND REPAIRED PER REO 690-57-21-535 REV. - -

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