Accident Details
Shortly after takeoff from runway 05 at Cuenca-Mariscal La Mar Airport, while climbing to a height of 300 feet, the engine failed. The airplane lost altitude, causing the nose wheel to strike the roof of a building. Subsequently, out of control, the aircraft crashed onto a building occupied by a rubber company. Five passengers were killed and nine other occupants were seriously injured. There were no injuries on the ground. The aircraft was destroyed.
Investigation Findings
The official investigation revealed that one or more blades located on the turbine compressor failed as a result of deformation due to excessive high temperatures. It was also reported that the company's maintenance failed to follow the engine maintenance program in that the engine had not been inspected in accordance with the procedures published by the engine manufacturer. Specifically, the Hot Section Inspection (HSI) should have been performed at 3,600 flight hours, but the airplane accumulated an additional 200 hours without the required checks.