# SDR GR4D20170821011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 21, 2017
- Submitted: August 21, 2017
- Operation: Air carrier
- Aircraft: [N425QS](https://openairdocs.org/aircraft/N425QS), registered now
- Make and model: Gulstm GIVXG450
- Aircraft serial: 4010
- Aircraft time: 8,980 hours, 4,415 cycles
- System (JASC): [5710 · Wing Main, Frame Structure](https://openairdocs.org/jasc/5710)
- Part: Winglet
- Part number: 1159W407018
- Part serial: 1551R
- Condition: Corroded
- Location: Rt Wing
- Part time: 8,980 hours, 4,415 cycles
- 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/GR4D20170821011

## Discrepancy

RIGHT WINGLET HAS THREE PITTED VERTICAL  BORES, NR 12, 13, AND 16. REQUIRES OVERSIZE REPAIR.

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