NTSB Identification: FTW88LA054.
The docket is stored on NTSB microfiche number 35134.
Accident occurred Monday, January 25, 1988 in BORGER, TX
Probable Cause Approval Date: 03/30/1989
Aircraft: BELLANCA 17-30A, registration: N8250R
Injuries: 2 Minor.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

SHORTLY AFTER TAKEOFF THERE WAS SMOKE IN THE CABIN. THE PLT STARTED A TURN BACK TOWARD THE RUNWAY. WHEN HE TURNED OFF THE ELECTRICAL MASTER SWITCH THE ENGINE STOPPED PRODUCING POWER. ATTEMPTS TO RESTART THE ENGINE WERE NOT SUCCESSFUL. HE IMPACTED A HEAVY CABLE DURING THE OFF-AIRPORT, FORCED LANDING. POST-CRASH INVESTIGATION REVEALED A BROKEN WELD AT THE REAR OF THE LEFT MUFFLER. HEAT FROM THE LEFT MUFFLER MELTED THE INSULATION ON THE 'P' LEADS TO THE MAGNETOS, GROUNDED THEM, AND SHUT OFF THE ENGINE.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

EXHAUST SYSTEM,MUFFLER..FAILURE,PARTIAL

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

IGNITION SYSTEM,MAGNETO GROUNDING LEAD (P-LEAD)..BURNED

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

IGNITION SYSTEM,MAGNETO GROUNDING LEAD (P-LEAD)..SHORTED


Contributing Factors

OBJECT..WIRE,TRANSMISSION

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