# SDR COEA2017101509804

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 15, 2017
- Submitted: November 30, 2017
- Operation: Air carrier
- Aircraft: N804HC
- Make and model: Aerosp ATR42-500
- Registry model: [Aerosp ATR42-500](https://openairdocs.org/model/aerospatiale-alenia-atr42-500) (OpenAirDocs)
- Aircraft serial: 623
- Aircraft time: 21,608 hours, 26,662 cycles
- System (JASC): [5751 · Ailerons](https://openairdocs.org/jasc/5751)
- Part: Skin
- Part number: S57615482200
- Part serial: NA
- Condition: Corroded
- Location: Lt Aileron
- Component: Aileron, Aerosp
- Component part number: S5761530001000
- 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/COEA2017101509804

## Discrepancy

LEFT AILERON INBOARD LEADING EDGE HAS CORROSION,  UPPER AND LOWER SURFACE.  REPAIRED IAW SRAS ES-4879/17.

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