# SDR 2003FA0000647

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 19, 2003
- Submitted: June 19, 2003
- Operation: General aviation
- Aircraft: [N498ER](https://openairdocs.org/aircraft/N498ER), registered now
- Make and model: Cessna 172R
- Registry model: [Cessna 172R](https://openairdocs.org/model/cessna-172r) (OpenAirDocs)
- Aircraft serial: 17280674
- Aircraft time: 3,348 hours
- Engine: Lyc IO360L2A
- System (JASC): [7322 · Fuel Control/Reciprocating Engines](https://openairdocs.org/jasc/7322)
- Part: Fuel Control
- Part number: 25765362
- Condition: Erratic
- Location: Engine
- Stage of operation: TX
- 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/2003FA0000647

## Discrepancy

DURING THE PRE TAKEOFF IDLE CHECK, THE IDLE RPM WAS FOUND VERY LOW. IT WAS ADJUSTED. THE IDLE MIXTURE/SPEED, ON THIS SERVO, IS VERY ERRATIC AND UNSTABLE WITHIN A VERY FEW NUMBER OF HOURS/DAYS.

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