BULVERDE, TX, USA
N807LA
CESSNA 208
AFTER LEVELING AT 5500', THE STANDBY POWER ANNUNCIATOR LIGHT ILLUMINATED, FOLLOWED BY LOSS OF OIL PRESSURE. THE PLT TURNED BACK TOWARD THE ARPT, BUT THERE WAS A PROGRESSIVE LOSS OF ENG POWER & THE PROP WENT TO A FEATHERED PSN. DRG AN EMERG LANDING AT NIGHT, THE ACFT HIT A POWER LINE & TREES, THEN CRASHED. DRG AN ENG TEARDOWN, DISASSEMBLY OF THE REDUCTION GEARBOX SCAVENGE PUMP REVEALED THAT A RETAINING NUT & TANG WASHER (W/I THE SCAVENGE PUMP) HAD BACKED OFF & LODGED BTN THE SPUR GEARS, WHICH RESULTED IN A SHEARED SCAVENGE PUMP DRIVE SHAFT. IN TURN, THIS RESULTED IN THE LOSS OF OIL PRESSURE & ALLOWED THE PROP TO FEATHER.
Source: NTSB Aviation Accident Database
Aviation Accidents App
In-Depth Access to Aviation Accident Reports
