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San Bernardino, CA
The pilot said he put the landing gear down before entering the traffic pattern. He proceeded downwind and went through a prelanding checklist. He said the main gear was seen to be down, and the green gear down light had illuminated. He proceeded from base to final and to touchdown. The pilot reported that as the airplane touched down, the main gear partially collapsed, and the gear warning horn sounded. The airplane slid to the right, dragging the right wing tip and the right elevator tip. Afterwards, the landing gear system was functionally tested on the ground and in the air numerous times. No repairs or adjustments were required to the landing gear extension system.
failure of the landing gear to go and/or remain in a down-and-locked condition for undetermined reason(s).
On June 27, 1996, about 1600 hours Pacific daylight time, a Cessna P210N, N4844K, was substantially damaged after a landing gear collapsed while landing at the San Bernardino International Airport, San Bernardino, California. The pilot was not injured. Visual meteorological conditions prevailed for the personal flight and no flight plan was filed. The flight originated at Upland, California, on the day of the accident at 1530 hours. The pilot reported that prior to landing he went through the prelanding checklist. He stated that the main gear was observed to be down and the green gear down light was on. The pilot stated that as he touched down the main gear collapsed and the gear warning horn sounded. The nose gear did not collapse. Afterwards, the landing gear system was functionally tested on the ground and in the air numerous times. There were no repairs or adjustments required.