LINCOLN, NE, USA
N39922
PIPER PA-32RT-300T
DURING CLIMBOUT, SMOKE BEGAN FILLING THE CABIN AND SHORTLY THEREAFTER THE ENG STOPPED. GROUND WITNESSES OBSERVED SMOKE COMING FROM THE ENG COMPARTMENT JUST BEFORE THE ACFT IMPACTED A LARGE WOODPILE BEHIND A HOUSE LOCATED 1/2 MILE EAST OF THE ARPT. EXAMINATION DISCLOSED THAT THE LEFT INTERMEDIATE EXHAUST PIPE (90 DEGREE ELBOW) HAD SEPARATED FROM THE EXHAUST CROSSOVER TUBE LEADING TO THE TURBOCHARGER AND ALLOWED INTENSE, HOT EXHAUST GASES FLOWING FROM THE ELBOW TO SPEW DIRECTLY INTO THE ENG COMPARTMENT. THE FLANGE AT THE OTHER END OF THE ELBOW WAS CRACKED AND EVIDENCE INDICATED THAT THE GASKET, AS WELL AS THE FLANGES, HAD BEEN MISALLIGNED. A REPAIR HAD BEEN MADE TO THE EXHAUST SYSTEM ABOUT A MONTH BEFORE THE ACCIDENT.
Source: NTSB Aviation Accident Database
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