CULPEPER, VA, USA
N987CM
MOONEY M20M
THE PILOT INDICATED THAT DURING AN APPROACH TO LAND, HE NOTED THE SMELL OF A POSSIBLE OVERHEAT CONDITION, BUT THE ODOR WENT AWAY. HE CHECKED THE ACFT AFTER LANDING, BUT DID NOT NOTICE ANY DISCREPANCIES. HE TOOK OFF SHORTLY AFTERWARDS, AND DURING THE CLIMBOUT, SMOKE BEGAN FILLING THE CABIN. THE SMOKE EMERGED FROM THE AREA OF THE RUDDER PEDALS AND FLAMES APPEARED SOON AFTERWARDS. THE PLT TURNED BACK TO THE AIRPORT AND LANDED GEARUP. THE ACFT SLID OFF THE RUNWAY AND INTO A DITCH. A FIRE ERUPTED, BUT THE PLT AND PAX ESCAPED THE ACFT. AN INVESTIGATION REVEALED INTERGRANULAR CRACKING OF THE CLAMP THAT CONNECTED THE TURBOCHARGER AND TAILPIPE.
INTERGRANULAR CRACKING (FATIGUE) FAILURE OF THE EXHAUST CLAMP, WHICH RESULTED IN A DISCONNECTED EXHAUST MANIFOLD (TAILPIPE), AND SUBSEQUENT FIRE IN THE ENGINE COMPARTMENT.
Source: NTSB Aviation Accident Database
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