# SDR 2012FA0000001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 2011
- Submitted: January 3, 2012
- Operation: General aviation
- Aircraft: [N276BC](https://openairdocs.org/aircraft/N276BC), registered now
- Make and model: Piper PA-28-151
- Registry model: [Piper PA-28-151](https://openairdocs.org/model/piper-pa-28-151) (OpenAirDocs)
- Aircraft serial: 287615306
- Engine: Lyc O320D3G
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Key
- Condition: Broken
- Location: Engine
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2012FA0000001

## Discrepancy

WHILE TROUBLESHOOTING A ROUGH RUNNING ENGINE, DISCOVERED A DEFORMED ROCKER COVER.  WHEN THE COVER WAS REMOVED THE SPRING SEAT LOOSE ON FLANGE PIECES AND THE VALVE KEYS WERE FOUND IN THE ROCKER COVER.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.