ORLEANS, IN, USA
N7750N
PIPER PA-28-180
DURING FLT, THE PLT NOTED THAT THE ENG RPM DROPPED FROM 2500 TO 2000. HE COULD NOT RESTORE THE RPM. HE THEN HEARD A LOUD NOISE FROM THE ENG COMPARTMENT & THE ENG SEIZED. SUBSEQUENTLY, THE ACFT WAS DAMAGED DURING AN EMERG LANDING IN A CORN FIELD. A TEARDOWN OF THE ENG REVEALED THAT THE #3 ROD, PN 74502-S, WAS BROKEN, BENT & WEDGED BETWEEN THE #4 ROD & ENG CASE. THE #3 BEARING SURFACE ON THE CRANKSHAFT WAS GALLED & BOTH ROD BOLTS ON THE #3 CONNECTING ROD WERE BROKEN. ALSO, THE #2 & #4 CONNECTING ROD BEARINGS, PN 72218, HAD SPUN. METAL PARTICALS WERE FOUND THRU-OUT THE ENG. THERE WAS STILL 5-1/2 QTS OF OIL IN THE ENG.
Source: NTSB Aviation Accident Database
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