# SDR AU990729

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 10, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Piper PA-34-200
- Registry model: [Piper PA-34-200](https://openairdocs.org/model/piper-pa-34-200) (OpenAirDocs)
- Engine: Lyc IO360C1E6
- Propeller: Hartzl HCC2YK2
- System (JASC): [7603 · Power Lever](https://openairdocs.org/jasc/7603)
- Part: Coupling
- Part number: 31747000
- Condition: Broken
- Location: Power Lever
- Stage of operation: NR
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AU990729

## Discrepancy

(AUS) RIGHT ENGINE THROTTLE BALL COUPLING FAILED IN THE AREA BENEATH THE BALL.  INVESTIGATION FOUND THAT THE BALL STUD WAS WORN APPROXIMATELY 40 PERCENT THROUGH.

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