# SDR MKHR0027

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 10, 2011
- Submitted: January 11, 2011
- Operation: General aviation
- Filed by: [Schuman Aviation Company Ltd, repair station MKHR108K](https://openairdocs.org/faa-repair-station/MKHR108K/schuman-aviation-company-ltd.md) (OpenAirDocs)
- Aircraft: [N351CA](https://openairdocs.org/aircraft/N351CA), 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: 317852075
- Aircraft time: 11,328 hours, 11,143 cycles
- System (JASC): [2460 · DC Power Distribution System](https://openairdocs.org/jasc/2460)
- Part: Circuit Breaker
- Part number: 454712
- Condition: Failed
- Location: Main Alternator
- Part time: 25 hours, 30 cycles
- Stage of operation: TX
- 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/MKHR0027

## Discrepancy

MAIN RT 90 AMP ALTERNATOR CIRCUIT BREAKER FAILED.  THE CIRCUIT BREAKER HAD BEEN REPLACED ONLY 6 MONTH AND 25 FLT HRS EARLIER.  THE CIRCUIT BREAKER SHOWED CONTINUITY, HOWEVER IT FAILED WHEN A LOAD WAS APPLIED.

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