# SDR 20010411CW008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 27, 2001
- Submitted: April 11, 2001
- Operation: Air carrier
- Aircraft: [N27755](https://openairdocs.org/aircraft/N27755), 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: 317852148
- Engine: Lyc LTIO540*
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Alternator
- Part number: ALU8521
- Part serial: A100808
- Condition: Inoperative
- Location: Engine
- Part time: 53 hours
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/20010411CW008

## Discrepancy

PILOT REPORTED LEFT ALTERNATOR WARNING LIGHT ILLUMINATED AND COULD NOT RESET CIRCUIT BREAKER.  UPON INSPECTION OF ALTERNATOR, DISCOVERED THAT THE POSITIVE BATTERY LUG WAS LOOSE AND HAD CAUSED A SHORT TO THE CASE.  THIS CAUSED BATTERY CABLE TO MELT AND TRIP BREAKER.  ALTERNATOR AND CABLE END WERE REPLACED AND THE SYSTEM FUNCTIONALLY CHECKED SATISFACTORY.

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