# SDR 96ZZZX1097

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 18, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N9343D](https://openairdocs.org/aircraft/N9343D), registered now
- Make and model: Cessna 172RG
- Registry model: [Cessna 172RG](https://openairdocs.org/model/cessna-172rg) (OpenAirDocs)
- Aircraft serial: 172RG1128
- System (JASC): [2434 · DC Generator-Alternator](https://openairdocs.org/jasc/2434)
- Part: Control Unit
- Part number: DGR3
- Condition: Failed
- Location: Alternator
- Stage of operation: NR
- Nature of condition: H
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96ZZZX1097

## Discrepancy

PILOT REPORTED LOSS OF ELECTRICAL POWER.  AFTER LANDING, UNCOWLED ENGINE AND FOUND THE ACU WAS SMOKED.  TROUBLESHOT AND FOUND THE ALTERNATOR WINDINGS OPEN.  INSTALLED A NEW ACU AND INSTALLED A SERVICEABLE ALTERNATOR, PN C611503-0102.  PERFORMED GROUND RUN, OPERATIONAL CHECK OF THE ALTERNATOR CHARGING SYSTEM FOUND OK.

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