Landing and Gear Collapse
A pilot reported that during approach, approximately 12 miles from the airport, she received her approach clearance. At that time, she lowered the landing gear and performed a 'gumps' check—confirming gas, undercarriage, mixture, and propeller. After lowering the gear, she observed a green landing gear light.
The landing was described as normal, and the pilot did not hear a gear warning horn. However, upon touchdown, the right main landing gear collapsed, causing the airplane to spin 180 degrees on the runway.
Examination
A Federal Aviation Administration Inspector and a local mechanic examined the wreckage. The examination did not reveal any pre-impact mechanical malfunctions.