NTSB Identification: ATL82DA264
14 CFR Part 91: General Aviation
Accident occurred Friday, September 03, 1982 in SEWANEE, TN
Probable Cause Approval Date: 09/03/1983
Aircraft: PIPER PA-28R, registration: N4976S
Injuries: 3 Uninjured.

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.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

LUBRICATING SYSTEM,OIL LINE..LOOSE

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

MAINTENANCE,OVERHAUL..INADEQUATE..OTHER MAINTENANCE PERSONNEL

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

LUBRICATING SYSTEM,OIL LINE..VIBRATION

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

LUBRICATING SYSTEM,OIL LINE..CRACKED

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

FLUID,OIL..STARVATION




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