# SDR COEA2016101344805

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 13, 2016
- Submitted: October 14, 2016
- Operation: Air carrier
- Aircraft: N805HC
- Make and model: Aerosp ATR42-500
- Registry model: [Aerosp ATR42-500](https://openairdocs.org/model/aerospatiale-alenia-atr42-500) (OpenAirDocs)
- Aircraft serial: 625
- Aircraft time: 22,008 hours, 25,206 cycles
- System (JASC): [3420 · Attitude and Direction Data System](https://openairdocs.org/jasc/3420)
- Part: Ahrs
- Part number: 7003360946
- Part serial: 05034856
- Condition: Malfunctioned
- Stage of operation: CL
- 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/COEA2016101344805

## Discrepancy

FLT 610, ENROUTE, EFIS COMP ATTITUDE ON CAPTAIN`S SIDE DURING CLIMB AFTER TAKEOFF. CREW ELECTED TO RETURN TO DEPARTURE. NO EMERGENCY DECLARED. LANDED AIRCRAFT WITHOUT FURTHER INCIDENT.   MAINTENANCE REPLACED THE AHRS. OPS TESTED GOOD. AIRCRAFT RETURNED TO SERVICE.

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