On March 29, 1998, at 1800 eastern standard time, a Piper PA-22, N1846A, main landing gear collapsed during a landing roll on runway 24 at Clayton County Tara Field in Hampton, Georgia. The personal flight operated under the provisions of Title 14 CFR Part 91 with no flight plan filed. According to an airport official, visual weather conditions prevailed at the time of the accident. An examination of the airplane disclosed that the airframe sustained substantial structural damage. The airport official also reported that the private pilot and his passenger were not injured. The flight's exact departure time from Berry Hill Airport in Stockbridge, Georgia, was not determined According to the airport official, the airplane made what he described as a normal touchdown. During the landing rollout, the airplane veered left and went off the side of the runway. Examination of the airplane at the accident site failed to disclose a pre-existing failure of the main landing gear assembly. The damaged airplane was discovered at the airport by a Federal Aviation Administration Safety Inspector during a routine visit several days after the accident. The pilot/owner of the airplane never reported the accident nor has he responded to telephonic and written requests for additional information.