# SDR R7MA0000594

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 7, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N501HC
- Make and model: Beech B200
- Registry model: [Beech B200](https://openairdocs.org/model/beech-b200) (OpenAirDocs)
- Aircraft serial: BB1306
- System (JASC): [3422 · Directional Gyro and Indicating System](https://openairdocs.org/jasc/3422)
- Part: Gyro Compass
- Part number: 6226136002
- Condition: Inoperative
- Location: Cockpit
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/R7MA0000594

## Discrepancy

NR 1 SYSTEM FAILED ON GROUND DURING TROUBLESHOOTING OF NR 2 SYSTEM.  NR 1 SYSTEM INOPERATIVE.  (X)

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