# SDR BSYA2009021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2009
- Submitted: May 6, 2009
- Operation: Air carrier
- Aircraft: [N42HD](https://openairdocs.org/aircraft/N42HD), 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: 8152031
- Aircraft time: 13,048 hours
- Engine: Lyc LTIO540J2BD
- Engine time: 1,034 hours
- System (JASC): [7713 · Manifold Pressure (MP) Indicating](https://openairdocs.org/jasc/7713)
- Part: Controller
- Part number: LW1009885
- Condition: Defective
- Location: Rt Engine
- Part time: 1,034 hours
- Stage of operation: CL
- How discovered: O
- Nature of condition: R
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/BSYA2009021

## Discrepancy

AFTER TAKEOFF OUT OF LCK THE RIGHT ENGINE STARTED SURGING PLUS AND MINUS 3 INCHES, THEN RETURNED TO LCK.  MAINTENANCE CHECKED FUEL NOZZLES, FOUND OK.  CHANGED THE DIFFERENTIAL CONTROLLER, OPS CHECKED GOOD.

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