# SDR CA111104003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 25, 2011
- Submitted: January 23, 2013
- Operation: General aviation
- Make and model: Cessna 172R
- Registry model: [Cessna 172R](https://openairdocs.org/model/cessna-172r) (OpenAirDocs)
- Aircraft time: 4,495 hours
- Engine: Lyc IO360L2A
- Propeller: Mcauly 1A170E
- System (JASC): [2434 · DC Generator-Alternator](https://openairdocs.org/jasc/2434)
- Part: Alternator
- Part number: 991059111RX
- Condition: Inoperative
- Stage of operation: NR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA111104003

## Discrepancy

(CAN) PILOT NOTED DISCHARGE INDICATION ON AMMETER AS WELL AS LOW VOLTAGE WARNING LIGHT.  CONFIRMED ALTERNATOR HAD LOW VOLTAGE OUTPUT. ALTERNATOR REPLACED.

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