What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) The aircraft was approximately 30 minutes into a flight at 3500' MSL. First sensation occupants noticed was a haze and odor inside cabin. Air traffic directed them to nearest airport, 6 miles, landed within 15 minutes. During roll out engine stopped. Post landing inspection discovered entire underside of aircraft dripping with engine oil, no measurable oil on dipstick, a bulge on top left crankcase, in vicinity of #2 cylinder. Pilot stated a quart of oil had been added, bringing quantity to 6 1/2 qt on dipstick, prior to takeoff. Subsequent investigation by engine repair facility found dipstick/oil filler tube loose in crankcase, threads damaged, evidence of oil leakage; oil cooler hose fitting/elbow on top left accessory cover loose, evidence of oil leakage; and a crack in crankcase between #2 & #4 cylinder, top to bottom of case, with evidence of oil leakage; one of #2 connecting rod bolts broken, piece wedged between camshaft lobe and crankcase, causing bulge, visible evidence of heat/oil starvation on connecting rod bearings. The aircraft parking place at departure airport shows no evidence of engine oil leakage prior to this flight.
As the FAA filed it
(-23) THE AIRCRAFT WAS APPROXIMATELY 30 MINUTES INTO A FLIGHT AT 3500' MSL. FIRST SENSATION OCCUPANTS NOTICED WAS A HAZE AND ODOR INSIDE CABIN. AIR TRAFFIC DIRECTED THEM TO NEAREST AIRPORT, 6 MILES, LANDED WITHIN 15 MINUTES. DURING ROLL OUT ENGINE STOPPED. POST LANDING INSPECTION DISCOVERED ENTIRE UNDERSIDE OF AIRCRAFT DRIPPING WITH ENGINE OIL, NO MEASURABLE OIL ON DIPSTICK, A BULGE ON TOP LEFT CRANKCASE, IN VICINITY OF #2 CYLINDER. PILOT STATED A QUART OF OIL HAD BEEN ADDED, BRINGING QUANTITY TO 6 1/2 QT ON DIPSTICK, PRIOR TO TAKEOFF. SUBSEQUENT INVESTIGATION BY ENGINE REPAIR FACILITY FOUND DIPSTICK/OIL FILLER TUBE LOOSE IN CRANKCASE, THREADS DAMAGED, EVIDENCE OF OIL LEAKAGE; OIL COOLER HOSE FITTING/ELBOW ON TOP LEFT ACCESSORY COVER LOOSE, EVIDENCE OF OIL LEAKAGE; AND A CRACK IN CRANKCASE BETWEEN #2 & #4 CYLINDER, TOP TO BOTTOM OF CASE, WITH EVIDENCE OF OIL LEAKAGE; ONE OF #2 CONNECTING ROD BOLTS BROKEN, PIECE WEDGED BETWEEN CAMSHAFT LOBE AND CRANKCASE, CAUSING BULGE, VISIBLE EVIDENCE OF HEAT/OIL STARVATION ON CONNECTING ROD BEARINGS. THE AIRCRAFT PARKING PLACE AT DEPARTURE AIRPORT SHOWS NO EVIDENCE OF ENGINE OIL LEAKAGE PRIOR TO THIS FLIGHT.
Other reports on N8508C · 2
Matched to the same aircraft by N-number and date.