# SDR BIER200401059

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 2004
- Submitted: March 12, 2004
- Operation: Air carrier
- Aircraft: [N1859](https://openairdocs.org/aircraft/N1859), registered now
- Make and model: Beech 58
- Registry model: [Beech 58](https://openairdocs.org/model/beech-58) (OpenAirDocs)
- Aircraft serial: TH1299
- System (JASC): [2436 · DC Regulator](https://openairdocs.org/jasc/2436)
- Part: Volt Regulator
- Part number: B003871
- Part serial: 1680
- Condition: Failed
- Stage of operation: CL
- How discovered: C
- Nature of condition: B, H, G
- Precautionary procedure: A, H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/BIER200401059

## Discrepancy

SMELLED SMOKE IN COCKPIT, CIRCUIT BREAKER POPPED, SHUT-DOWN ALL POWER TO AIRCRAFT. FOUND OVERVOLTAGE CIRCUIT DID NOT DISABLE WHEN REGULATOR ALLOWED VOLTAGE TO CLIMB ABOVE 32V, TOOK OUT ALL ELECTRICAL EQUIPMENT ON.

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