SEWANEE, TN, USA
N4976S
PIPER PA-28R
ENROUTE THE OIL PRESSURE DROPPED TO ZERO & SHORTLY THEREAFTER THE PROP SEIZED DUE TO OIL STARVATION. POST EXAM REVEALED A CRACK IN THE PROP GOVERNOR OIL LINE, P/N76157, AT THE BEND ABOUT 1 INCH AWAY FROM THE "B" NUT ATTACHING THE LINE TO THE ELBOW FITTING AT THE FORWARD END OF THE ENG. THE TWO SUPPORT BRACKETS, AS ILLUSTRATED IN THE PARTS MANUAL, WERE NOT ATTACHED TO THE STAINLESS STEEL LINE ALLOWING THE LINE TO VIBRATE & FLEX. THE ENG HAD BEEN OVERHAULED 75 HRS PRIOR TO THE ACCIDENT.
Source: NTSB Aviation Accident Database
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