# SDR BSYA2009038

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 2009
- Submitted: July 6, 2009
- Operation: Air carrier
- Aircraft: [N40919](https://openairdocs.org/aircraft/N40919), registered now
- Make and model: Piper PA-31-350
- Registry model: [Piper PA-31-350](https://openairdocs.org/model/piper-pa-31-350) (OpenAirDocs)
- Aircraft serial: 8152862
- Aircraft time: 12,411 hours
- Engine: Lyc TIO540J2BD
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Rocker
- Part number: 67113
- Condition: Broken
- Location: Lt Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: R
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/BSYA2009038

## Discrepancy

AFTER DEPARTING HOU, THE LEFT ENGINE STARTED SURGING 50 RPM ON CLIMBOUT.  RETURNED TO HOU.  FOUND LEFT ENGINE NR 1 CYLINDER INTAKE ROCKER ARM BROKEN.  REPLACED CYLINDER, ROCKER ARM AND LIFTER.

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