# SDR 97ZZZX4327

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 1, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N733WT](https://openairdocs.org/aircraft/N733WT), registered now
- Make and model: Cessna 172N
- Registry model: [Cessna 172N](https://openairdocs.org/model/cessna-172n) (OpenAirDocs)
- Aircraft serial: 17268613
- Engine: Lyc O320H2AD
- System (JASC): [7414 · Magneto/Distributor](https://openairdocs.org/jasc/7414)
- Part: Distributor Gear
- Part number: 10682014
- Condition: Teeth Failed
- Location: Magneto
- Component: Bendix, D2000
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX4327

## Discrepancy

ENGINE FAILED PRE-TAKEOFF MAGNETO CHECK.  PILOT RAN ENGINE AT HIGH RPM AND LEANED ENGINE TO SEE IF PLUGS WERE FOULED.  AFTER REDUCING POWER ON SECOND MAGNETO CHECK, MAG WAS DEAD.  FOUND 3 TEETH MISSING ON DISTRIBUTOR GEAR.  MAG HAS 1,045 HOURS TSMO.

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