Primary finding
Probable cause
The pilot's inadvertent retraction of the landing gear during the landing roll.
Investigator assessment
Analysis narrative
The pilot said that after landing he inadvertently moved the main landing gear lever rather than the flap lever to the retract position, which resulted in the collapse of all three landing gear and substantial damage to the undercarriage of the airplane. The pilot reported no anomalies with the airplane that would have precluded normal operation.
Source record
Factual narrative
The pilot said that after landing he inadvertently selected the main landing gear lever rather than the flap lever to the retract position, which resulted in the collapse of all three landing gear and substantial damage to the undercarriage of the airplane.