# SDR CA050509007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 9, 2005
- Submitted: June 2, 2005
- Operation: General aviation
- Make and model: Cessna 172M
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (OpenAirDocs)
- Aircraft time: 10,516 hours
- Engine: Lyc O320E2D
- Propeller: Mcauly 1C160DTM
- System (JASC): [2430 · DC Generating System](https://openairdocs.org/jasc/2430)
- Part: Alternator
- Part number: DOFF10300J
- Part serial: E051056
- Condition: Failed
- Location: Engine
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA050509007

## Discrepancy

(CAN) DURING RUNUP A DISCHARGE WAS NOTICED ON AMMETER.  FURTHER INSPECTION BY AN ENGINEER CONCLUDED THAT THE ALTERNATOR HAD FAILED INTERNALLY.

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