Narrative:

On approach to landing, main gear failed to extend. Gear would retract with a gear up light. After emergency procedure and trying to push gear down through the open cabin door the decision was made to land gear up. All the technical advice and help did not solve the problem. Minor damage to lower skin and propeller tips. The actuator rod end on the hydraulic cylinder had failed.

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Original NASA ASRS Text

Title: GA SMA LANDED GEAR UP WHEN ACTUATOR ROD FAILED AND INSTRUCTOR PLT COULD NOT GET THE GEAR DOWN.

Narrative: ON APCH TO LNDG, MAIN GEAR FAILED TO EXTEND. GEAR WOULD RETRACT WITH A GEAR UP LIGHT. AFTER EMER PROC AND TRYING TO PUSH GEAR DOWN THROUGH THE OPEN CABIN DOOR THE DECISION WAS MADE TO LAND GEAR UP. ALL THE TECHNICAL ADVICE AND HELP DID NOT SOLVE THE PROBLEM. MINOR DAMAGE TO LOWER SKIN AND PROP TIPS. THE ACTUATOR ROD END ON THE HYDRAULIC CYLINDER HAD FAILED.

Data retrieved from NASA's ASRS site as of August 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.