# SDR 98ZZZX4571

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 15, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N200CH](https://openairdocs.org/aircraft/N200CH), registered now
- Make and model: Cessna 421A
- Registry model: [Cessna 421A](https://openairdocs.org/model/cessna-421a) (OpenAirDocs)
- Aircraft serial: 421A0102
- Engine: Cont GTSIO520D
- System (JASC): [2435 · Starter-Generator](https://openairdocs.org/jasc/2435)
- Part: Shaft Gear
- Part number: 631847
- Condition: Broken
- Location: Starter Adapter
- Component: 643259A16
- 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/98ZZZX4571

## Discrepancy

GEARS ON SHAFT GEAR BROKEN OFF WHICH CAUSED SHAFT GEAR TO DAMAGE CASE WHERE PILOT BEARING GOES.

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