Improper maintenance during overhaul leads to engine failure
According to the pilot, while in cruise flight, he noticed an increase in cylinder head temperature on two cylinders in the Mooney M20K. He attempted to reduce the temperatures, however, he soon heard “an explosion,” and noted a hole in the engine cowling. He made a forced landing to a golf course near Paramus, N.J. During the landing roll, the airplane hit a berm, became airborne again, and hit the ground, resulting in the landing gear collapsing and substantial damage to the right wing. The pilot and one of his passengers received minor injuries. The engine was examined at the manufactu...