# SDR AL03200101158

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 15, 2001
- Submitted: May 1, 2001
- Operation: Air carrier
- Aircraft: [N28KE](https://openairdocs.org/aircraft/N28KE), registered now
- Make and model: Piper PA-31-350
- Registry model: [Piper PA-31-350](https://openairdocs.org/model/piper-pa-31-350) (OpenAirDocs)
- Aircraft serial: 318152049
- Engine: Lyc TIO540J2BD
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Alternator
- Part number: ALU8521R
- Part serial: A102856
- Condition: Defective
- Location: Engine
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AL03200101158

## Discrepancy

LEFT VOLTAGE REGULATOR CIRCUIT BREAKER WAS POPPING AS SOON AS AIRCRAFT POWER WAS APPLIED.  TROUBLESHOT SYSTEM, FOUND ALTERNATOR TO BE INTERNALLY  GROUNDING.  ALTERNATOR ALSO HAD BURNED ELECTRICAL SMELL COMING FROM INSIDE.

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