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Ogden, UT
ACFT DEPARTED RAPID CITY, SD, EN ROUTE TO ELKO, NV. WHILE IN CRUISE FLT IN IMC AT 12,000 FT, ENG LOST ALL PWR. ACFT WAS OVER MOUNTAINOUS TERRAIN AND ATC ISSUED PLT VECTORS THROUGH CANYON. ACFT BROKE OUT OF OVERCAST AT 8000 FT MSL (ABOUT 1500 FT AGL) AND 6 MI FROM ARPT. PLT ELECTED TO STRETCH GLIDE AND ATTEMPT LANDING AT ARPT INSTEAD OF LANDING IN NEARBY OPEN AREAS. ACFT STRUCK UNOCCUPIED WAREHOUSE AND CRASHED IN EMPTY SALVAGE YARD ACROSS STREET IN DOWNTOWN OGDEN, UT. DISASSEMBLY OF ENGINE REVEALED CATASTROPHIC FAILURE OF #1 CONNECTING ROD DUE TO FATIGUE. THE FATIGUE HAD ORIGINATED IN AN AREA OF SURFACE DECARBURIZATION AND SCALE INCLUSIONS. TELEDYNE-CONTINENTAL'S SERVICE BULLETIN M86-11 HAD NOT BEEN ACCOMPLISHED.
ACFT DEPARTED RAPID CITY, SD, EN ROUTE TO ELKO, NV. WHILE IN CRUISE FLT IN IMC AT 12,000 FT, ENG LOST ALL PWR. ACFT WAS OVER MOUNTAINOUS TERRAIN AND ATC ISSUED PLT VECTORS THROUGH CANYON. ACFT BROKE OUT OF OVERCAST AT 8000 FT MSL (ABOUT 1500 FT AGL) AND 6 MI FROM ARPT. PLT ELECTED TO STRETCH GLIDE AND ATTEMPT LANDING AT ARPT INSTEAD OF LANDING IN NEARBY OPEN AREAS. ACFT STRUCK UNOCCUPIED WAREHOUSE AND CRASHED IN EMPTY SALVAGE YARD ACROSS STREET IN DOWNTOWN OGDEN, UT. DISASSEMBLY OF ENGINE REVEALED CATASTROPHIC FAILURE OF #1 CONNECTING ROD DUE TO FATIGUE. THE FATIGUE HAD ORIGINATED IN AN AREA OF SURFACE DECARBURIZATION AND SCALE INCLUSIONS. TELEDYNE-CONTINENTAL'S SERVICE BULLETIN M86-11 HAD NOT BEEN ACCOMPLISHED.