# SDR COEA2017061803804

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 18, 2017
- Submitted: June 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: 21,248 hours, 25,723 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Corroded
- Location: Lt Wing
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COEA2017061803804

## Discrepancy

MULTIPLE AREAS OF CORROSION ON LT WING AT TRAILING EDGE BETWEEN RIBS 4-5 AND AT RIB 5.  REPAIR IAW  ES-2657/17

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