# SDR 2010FA0001156

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 5, 2010
- Submitted: November 5, 2010
- Operation: General aviation
- Aircraft: N3402Q
- Make and model: Piper PA-32R-300
- Registry model: [Piper PA-32R-300](https://openairdocs.org/model/piper-pa-32r-300) (OpenAirDocs)
- Aircraft serial: 32R7780310
- Engine: Lyc IO540K1G5D
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Valve Spring
- Condition: Weak
- Location: Engine Cylinder
- Stage of operation: CL
- How discovered: O
- Nature of condition: R
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2010FA0001156

## Discrepancy

PARTIAL POWER FAILURE ON TAKEOFF.

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