# SDR MLJA20210000250

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 21, 2021
- Submitted: September 1, 2021
- Operation: General aviation
- Aircraft: [N3284M](https://openairdocs.org/aircraft/N3284M), registered now
- Make and model: Cessna 310R
- Registry model: [Cessna 310R](https://openairdocs.org/model/cessna-310r) (OpenAirDocs)
- Aircraft serial: 310R1892
- System (JASC): [3420 · Attitude and Direction Data System](https://openairdocs.org/jasc/3420)
- Part: Hsi
- Condition: Out Of Limits
- Location: Cockpit
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MLJA20210000250

## Discrepancy

UPON DEPARTURE THE HSI SHOWED 60 DEGREES OFF ACTUAL HEADING. RE-SLAVE ATTEMPT UNSUCCESSFUL. NOTIFIED ATC AND RETURNED TO FIELD. LANDED WITHOUT INCIDENT. RE-CENTERED HSI. OPERATIONAL CHECK SATISFACTORY.

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