# SDR CA980623019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 12, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Beech A100
- Registry model: [Beech A100](https://openairdocs.org/model/beech-a100) (OpenAirDocs)
- Engine: Pwa PT6A28
- System (JASC): [7260 · Turbine Engine Accessory Drive](https://openairdocs.org/jasc/7260)
- Part: Shaft
- Part number: 3029567
- Condition: Worn
- Location: Gearbox
- Part time: 15,699 hours
- Stage of operation: NR
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA980623019

## Discrepancy

(CAN) ENGINE WAS CONSUMING OIL WHICH WAS EXITING FROM THE BREATHER.  ACCESSORY GEARBOX WAS REMOVED AND SPLIT TO REPLACE THE CARBON SEAL.  FURTHER INSPECTION OF THE GEARSHAFT ASSEMBLY SHOWED WEAR ON THE SPLINE SHAFT AND CRACKS ON THE CARBON SEAL FACE.  THE STARTER/GENERATOR DRIVE AND IMPELLER WERE REMOVED AND REPLACED AS A UNIT.  PART TC:  18,055.

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