20021106030479A

(-23) Gjt. Upon arrival in gjt area he lowered his landing gear electrically and followed on with manual extension as well. He rocked the aircraft to the left and then the right as specified in PA-28R emergency procedures. He continued his approach into gjt repeating the manual extension attempt and left/right rocking. He landed on rwy 27, on the roll to stop the left wing dipped, the left gear collapsed and the aircraft veered to taxiway A6 coming to a stop with the leading edge of the wing striking the 3000' remaining marker. Clearance to land rwy 27 gjt. Subsequent investigation of the alternator and component system did not reveal any failure. Operational functional checks of the alternator were normal. (.19) on November 06, 2002, at approximately 1400 mountain standard time, a Piper PA-28RT, N2904C, operated by kempton air service, of Grand Junction, Colorado, was substantially damaged when its left main landing gear collapsed during landing roll at Walker Field Airport (gjt), Grand Junction, Colorado. The private pilot, the sole occupant on board, was not injured. Visual meteorological conditions prevailed. This personal cross-country flight w as being conducted under title 14, CFR part 91, and no flight plan had been filed. The flight originated at durango, Colorado at approximately 1315. According to the pilot, approximately 35 miles south east of Grand Junction, the airplane's alternator failed and all electrical power was lost. Attempts to restore electrical power were unsuccessful. While over whitewater, Colorado, the pilot used his cell phone to call gjt tower and was given clearance to land. He followed the airplane's emergency checklist to manually lower the landing gear and landed the airplane on runway 29. During the landing roll, the airplane's left main landing gear collapsed, the airplane veered off the runway and struck the A6 taxiway sign. The airplane sustained substantial damage to its left wing.