What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
> While cruising at 8,000 feet pilot heard a "sudden high pitch whine" to engine.
> Pilot noted a reading of 3500 RPM on digital tach. Pulled cable to reduce RPM with no results.
> Pilot notified columbus approach of en emergency landing into 4I3.
> 1-2 Minutes from touch down "a sudden pop" and windshield full of oil.
> After aircraft stopped moving pilot learned propeller was missing from the aircraft.
> No apparent damage to airframe, heavy damage to rotating mass in engine.
> Mechanic removed propeller governor at request of NTSB. FAA witnessed removal, metal chips/filings noted in the governor.
> Three threaded studs/bolts with nuts and washers attached still in crankshaft flange.
> Mechanic removed the alternator which revealed broken parts nested in the nose case of the engine.
As the FAA filed it
> WHILE CRUISING AT 8,000 FEET PILOT HEARD A "SUDDEN HIGH PITCH WHINE" TO ENGINE.
> PILOT NOTED A READING OF 3500 RPM ON DIGITAL TACH. PULLED CABLE TO REDUCE RPM WITH NO RESULTS.
> PILOT NOTIFIED COLUMBUS APPROACH OF EN EMERGENCY LANDING INTO 4I3.
> 1-2 MINUTES FROM TOUCH DOWN "A SUDDEN POP" AND WINDSHIELD FULL OF OIL.
> AFTER AIRCRAFT STOPPED MOVING PILOT LEARNED PROPELLER WAS MISSING FROM THE AIRCRAFT.
> NO APPARENT DAMAGE TO AIRFRAME, HEAVY DAMAGE TO ROTATING MASS IN ENGINE.
> MECHANIC REMOVED PROPELLER GOVERNOR AT REQUEST OF NTSB. FAA WITNESSED REMOVAL, METAL CHIPS/FILINGS NOTED IN THE GOVERNOR.
> THREE THREADED STUDS/BOLTS WITH NUTS AND WASHERS ATTACHED STILL IN CRANKSHAFT FLANGE.
> MECHANIC REMOVED THE ALTERNATOR WHICH REVEALED BROKEN PARTS NESTED IN THE NOSE CASE OF THE ENGINE.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.
Other reports on N2059W · 1
Matched to the same aircraft by N-number and date.