PROVO, Utah (AP)—Amassive search for a young hijacker who parachuted from a low-flying jet with $500,000 ransom was scaled down Saturday after a local police chief reported he hada suspect in the case.“There is a lead in the case. It involves a suspect,” said Jesse Evans, police chief of this town of 75,000 about 40 miles south of Salt Lake City. But Evans said no arrest had been made and FBI agents declined comment.Evans also said a piece of plastic had been found by some ofthe 200 men searching the mountain and lake country. He would only say it was not part of a parachute.“I think the hijacker had to be familiar with this area” because *‘of nearby mountains and lakes, Evans said.He said a 12-hour house-to-house search and roadchecksaround the area were lifted atabout 10 a.m.But helicopters continued to hover overhead and boats cruised nearby Utah Lake in the hunt for the hijacker who commandeered the United Air Lines 727 Friday night.Identified from the passenger list only as T. Johnson, the hijacker was described as in his 20s, wearing a black wig and dark glasses and carrying a gun.(Continued on Back Page, Col. 1)Water Tasted GreatPORT MOODY, B.C. (AP) — The waters of a creek near Port Moody flowed red recently — with wine, A wrong valve was turned at Andres Wines Ltd. and about 100 gallons escaped into the creek.aSandy Wilkinson, an off-duty United Air Lines stewardess who was aboard the jetliner hijacked Friday, tells newsmen that most of the passengers did not know the plane was being hijacked. She was released with the other passengers before the jet took off with the hijacker and $500,000 ransom. (AP)