# SDR CA151217005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 10, 2015
- Submitted: June 13, 2017
- Operation: General aviation
- Make and model: Cessna 172N
- Registry model: [Cessna 172N](https://openairdocs.org/model/cessna-172n) (OpenAirDocs)
- Aircraft time: 19,579 hours
- Engine: Lyc O320D2J
- System (JASC): [7414 · Magneto/Distributor](https://openairdocs.org/jasc/7414)
- Part: Magneto
- Part number: 4371
- Condition: Not Reported
- Location: Engine
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA151217005

## Discrepancy

(CAN) MAGNETO TIMING ADVANCED 3 DEGREES IN 50HRS SINCE 500HR INSP.

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