What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) Pilot reported an engine oil leak that was spraying out and covering the cockpit windshield. Attempted to return back the phnl airport to land. Finding: the oil line from the propeller governor to the forward engine case cracked and all oil was lost. There was extensive damage to the engine from lack of oil supply. Previous log book discrepancy: a mechanic troubleshoot an oil leak and changed the propeller seal, along with performing an engine runup. Oil leak was signed off with no further leak noted. Aircraft returned to service. Action taken: a malfunction and defect report FAA form 8010-4 submitted by mechanic. Contacted Lycoming engine service representative to make them aware the oil line noted in AD 90-04-06 may need to be revised.
As the FAA filed it
(-23) PILOT REPORTED AN ENGINE OIL LEAK THAT WAS SPRAYING OUT AND COVERING THE COCKPIT WINDSHIELD. ATTEMPTED TO RETURN BACK THE PHNL AIRPORT TO LAND. FINDING: THE OIL LINE FROM THE PROPELLER GOVERNOR TO THE FORWARD ENGINE CASE CRACKED AND ALL OIL WAS LOST. THERE WAS EXTENSIVE DAMAGE TO THE ENGINE FROM LACK OF OIL SUPPLY. PREVIOUS LOG BOOK DISCREPANCY: A MECHANIC TROUBLESHOOT AN OIL LEAK AND CHANGED THE PROPELLER SEAL, ALONG WITH PERFORMING AN ENGINE RUNUP. OIL LEAK WAS SIGNED OFF WITH NO FURTHER LEAK NOTED. AIRCRAFT RETURNED TO SERVICE. ACTION TAKEN: A MALFUNCTION AND DEFECT REPORT FAA FORM 8010-4 SUBMITTED BY MECHANIC. CONTACTED LYCOMING ENGINE SERVICE REPRESENTATIVE TO MAKE THEM AWARE THE OIL LINE NOTED IN AD 90-04-06 MAY NEED TO BE REVISED.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.