# SDR COEA2017071305804

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 2017
- Submitted: July 14, 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: 21,254 hours, 25,737 cycles
- System (JASC): [6100 · Propeller System](https://openairdocs.org/jasc/6100)
- Part: Sensor
- Condition: Out Of Adjust
- Location: Propeller
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COEA2017071305804

## Discrepancy

ENROUTE, CRUISING AT 7000 FT, A SGL CH LIGHT ILLUMINATED ON THE NR 2 ENGINE. AIRCRAFT RETURNED TO DEPARTURE. NO EMERGENCY DECLARED. LANDED WITHOUT FURTHER INCIDENT.  MAINTENANCE ADJUSTED THE GAP OF DUAL COIL MAGNETIC SENSORS. OPS CHECKED GOOD. OCF FLIGHT SUCCESSFUL.

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