# SDR 20010424CW006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 12, 2001
- Submitted: April 24, 2001
- Operation: Air carrier
- Aircraft: [N724AS](https://openairdocs.org/aircraft/N724AS), registered now
- Make and model: Cessna 337G
- Registry model: [Cessna 337G](https://openairdocs.org/model/cessna-337g) (OpenAirDocs)
- Aircraft serial: 33701792
- Engine: Cont IO360GB
- System (JASC): [2435 · Starter-Generator](https://openairdocs.org/jasc/2435)
- Part: Gear
- Part number: 632617
- Condition: Sheared
- Location: Starter Adapter
- Part time: 277 hours
- Component: Starter Adapter, Cont
- Component part number: 646220A38
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/20010424CW006

## Discrepancy

DETAILED INVESTIGATION OF THE STARTER DRIVE REVEALED THAT ALL OF THE GEAR TEETH WERE WORN EXCESSIVELY ON ONE OF THE BEVEL GEARS WHICH DRIVES THE VACUUM PUMP.

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