# SDR CA120726012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 21, 2012
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Cessna U206G
- Registry model: [Cessna U206G](https://openairdocs.org/model/cessna-u206g) (OpenAirDocs)
- Engine: Cont IO520F
- Propeller: Mcauly D3A34C404
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Alternator
- Condition: Damaged
- Location: Ac  Sys
- Part time: 1,600 hours
- Stage of operation: CR
- How discovered: O
- Nature of condition: H
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA120726012

## Discrepancy

(CAN) DURING A ROUTINE FLIGHT, THE PILOT NOTED A LOW VOLTAGE LIGHT FOLLOWED BY A DISCHARGE RESULTING IN A TOTAL LOSS OF POWER.  MAINTENANCE DISCOVERED THE ALTERNATOR CASE HALF BOLTS SHEARED AS A RESULT OF AN INTERNAL BEARING FAILURE. MAINTENANCE REPLACED THE ALTERNATOR AND FUNCTION CHECK THE SYS SERVICEABLE.

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