# SDR CA120423015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 6, 2012
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Piper PA-31
- Registry model: [Piper PA-31](https://openairdocs.org/model/piper-pa-31) (OpenAirDocs)
- Aircraft time: 12,903 hours
- Engine: Lyc TIO540A2C
- Propeller: Hartzl HCE3YR2A
- System (JASC): [7322 · Fuel Control/Reciprocating Engines](https://openairdocs.org/jasc/7322)
- Part: Fuel Control
- Condition: Malfunctioned
- Location: Engine
- Stage of operation: NR
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA120423015

## Discrepancy

(CAN) PILOT REPORTED RT ENGINE ROUGH AT IDLE, RPM OSCILLATIONS FROM 800 TO 1200, MANIFOLD PRESSURE HIGHER THAN NORMAL BY 3-5".  FUEL SERVO REPLACED.

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