# SDR 2024FA0000289

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 4, 2024
- Submitted: April 4, 2024
- Operation: General aviation
- Aircraft: [N71924](https://openairdocs.org/aircraft/N71924), registered now
- Make and model: Cessna TU206C
- Registry model: [Cessna TU206C](https://openairdocs.org/model/cessna-tu206c) (OpenAirDocs)
- Aircraft serial: U2061226
- System (JASC): [2497 · Electrical Power System Wiring](https://openairdocs.org/jasc/2497)
- Part: Circuit Breaker
- Part number: S159660
- Condition: Failed
- Location: Cockpit
- Part time: 10,967 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2024FA0000289

## Discrepancy

SUSPECT VOLTAGE REGULATOR FAILED, AND ALTERNATOR PUT OUT EXCESSIVE VOLTAGE, WHICH THEN BURNT OUT THE 60-AMP CIRCUIT BREAKER INTERNALLY AND WAS THE SOURCE OF SMOKE IN CABIN.  RECOMMEND LIFE LIMIT ON ALTERNATOR OUTPUT CIRCUIT BREAKER.

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