# SDR KO0R201612230134

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 23, 2016
- Submitted: December 23, 2016
- Operation: Air carrier
- Filed by: [Kalitta Air, LLC, repair station KO0R718X](https://openairdocs.org/faa-repair-station/KO0R718X/kalitta-air-llc.md) (OpenAirDocs)
- Aircraft: [N412SN](https://openairdocs.org/aircraft/N412SN), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48412
- Aircraft time: 69,214 hours, 13,803 cycles
- System (JASC): [5713 · Wing, Longeron/Stringer](https://openairdocs.org/jasc/5713)
- Part: Doubler
- Condition: Cracked
- Location: Rt Wing
- 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/KO0R201612230134

## Discrepancy

CRACK IN THE STRINGER DOUBLER OF THE LEADING EDGE SKIN OF THE RIGHT WING LOWER SURFACE AT STATION XORS 815.

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