# SDR CA091113003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 5, 2009
- Submitted: December 1, 2009
- Operation: General aviation
- Make and model: Cessna 140
- Registry model: [Cessna 140](https://openairdocs.org/model/cessna-140) (OpenAirDocs)
- Aircraft time: 5,543 hours
- Engine: Cont C8512F
- Propeller: Mcauly 1B90*
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Guide
- Condition: Broken
- Location: Cylinder Valve
- Part time: 245 hours
- Component: Cylinder
- Component part number: TIST611DCA
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA091113003

## Discrepancy

(CAN) BROKEN VALVE GUIDE DETECTED AS THE ANNUAL 1 100 HR INSPECTION.  CYLINDER ASSY REMOVED, LOW COMPRESSION ON DIFFERENTIAL TEST 20/80 SENT TO AMO FOR REPAIR  NOTE: CYLINDER ASSY WAS PURCHASED NEW OCT. 2004 - 245.0 HR.

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