# SDR 99ZZZX963

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 3, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N333WS](https://openairdocs.org/aircraft/N333WS), registered now
- Make and model: Mooney M20E
- Registry model: [Mooney M20E](https://openairdocs.org/model/mooney-m20e) (OpenAirDocs)
- Aircraft serial: 323
- Engine: Lyc IO360C1C
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Stud
- Condition: Broken
- Location: Nr 3 Cylinder
- Part time: 2,670 hours
- Stage of operation: CR
- Nature of condition: R
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX963

## Discrepancy

PILOT REPORTED LOSS IN ENGINE POWER WHILE AIRCRAFT IN CRUISE POWER SETTING.  INSPECTION REVEALED BROKEN CYLINDER HOLD-DOWN STUDS, CYLINDER NR 3.  SUBMITTER SUGGESTED UNDER OR OVERTORQUE POSSIBLY A CONTRIBUTING FACTOR IN HOLD-DOWN STUDS FAILURE.

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