# SDR CA190712009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 2018
- Submitted: August 17, 2020
- Operation: General aviation
- Make and model: Bell 429
- Registry model: [Bell 429](https://openairdocs.org/model/bell-helicopter-textron-canada-429) (OpenAirDocs)
- Aircraft time: 909 hours
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Adiru
- Part number: 429075123105
- Condition: Unreliable
- Stage of operation: NR
- How discovered: 9
- Nature of condition: H
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA190712009

## Discrepancy

(CAN) DURING AN ICE RECONNAISSANCE FLIGHT AND APPROXIMATELY 6 MINS AFTER RESETTING THE HEADING AS PER FMS-45 THE DG WOULD BE OFF APPROXIMATELY 28 DEGREES. ON MULTIPLE OCCASIONS THE DG HEADING WOULD BE OFF PRIOR TO THE 8 MIN RESET TIMEFRAME. (TC# 20190712009)

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