# SDR CA100806008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 16, 2010
- Submitted: January 4, 2011
- Operation: General aviation
- Make and model: Cessna 172M
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (OpenAirDocs)
- Aircraft time: 7,865 hours
- Engine: Lyc O320E2D
- System (JASC): [7322 · Fuel Control/Reciprocating Engines](https://openairdocs.org/jasc/7322)
- Part: Carburetor
- Part number: 105217
- Condition: Malfunctioned
- Location: Engine
- Part time: 125 hours
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA100806008

## Discrepancy

ON START UP, IDLE JUMPED TO 900 RPM FROM STANDARD 625 RPM FOR NO REASON, TURNED IDLE DOWN TO 700 RPM ENGINE RAN ROUGH.  REPEATED CARBURETOR WITH O/H UNIT, PROBLEM WENT AWAY.

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