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Aviation Accident

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NTSB Identification: CEN17LA255
Nonscheduled 14 CFR Part 135: Air Taxi & Commuter
Accident occurred Monday, July 03, 2017 in El Paso, TX
Probable Cause Approval Date: 11/15/2018
Aircraft: BEECH A36, registration: N24LF
Injuries: 2 Uninjured.

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

During the initial climb after takeoff for a non-scheduled cargo flight, the engine experienced a partial loss of power and the commercial pilot reversed course to return to the airport. Unable to reach the runway, the pilot landed the airplane in a field, during which it sustained substantial damage.
An examination of the engine revealed no anomalies that would have precluded normal operation. Thermal damage was noted on the lower left side of the engine near the turbocharger. Examination of the turbocharger and housing revealed thermal damage and erosion within the turbocharger housing. Further, the turbocharger had been reconfigured with a different compressor housing and the addition of wear washers. The erosion of the turbocharger housing and induction wye was likely caused by excessive internal turbine temperatures. This erosion would have reduced performance, but likely would not have resulted in the airplaneā€™s ability to climb or maintain flight. The reconfiguration of the turbocharger with the wear washers likely would result in the abnormal wear of the bearings and subsequent instability and rub, but would not have precluded normal operation.


The National Transportation Safety Board determines the probable cause(s) of this accident as follows:
  • A partial loss of engine power for reasons that could not be determined because a postaccident examination did not reveal any anomalies that would have precluded normal engine operation.