# SDR CA040503013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 29, 2004
- Submitted: November 2, 2004
- Operation: General aviation
- Make and model: Curtis C46DCURTIS
- Aircraft time: 21,564 hours
- Engine: Pwa R280051M1
- Propeller: Hamstd 23E50
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Valve
- Condition: Inoperative
- Component: Cylinder, Pwa
- Component part number: 136919
- Stage of operation: CL
- How discovered: O
- Nature of condition: E, D
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA040503013

## Discrepancy

(CAN) DURING CLIMB, RT ENGINE STARTED TO BACKFIRE, THE CREW LANDED AND RETURNED TO HANGER WITHOUT INCIDENT.

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