# SDR 99ZZZX3744

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 27, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N68322
- Make and model: Cessna 152
- Registry model: [Cessna 152](https://openairdocs.org/model/cessna-152) (OpenAirDocs)
- Aircraft serial: 15282256
- Engine: Lyc O235L2C
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Rocker Boss
- Condition: Failed
- Location: Nr 3 Cylinder
- Stage of operation: CR
- Nature of condition: E, R
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX3744

## Discrepancy

CRUISE, LEVEL FLIGHT, ENGINE STARTED RUNNING VERY ROUGH; INSTRUCTOR LANDED SAFE IN GRASS FIELD.  INSPECTION REVEALED NR 3 CYLINDER ROCKER SHAFT BOSS BROKEN OFF.  ENGINE HAD 100 HRS TIS FROM MAJOR OVERHAUL.

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