Incident Summary
The pilot detected an inflight fire in the area of the turbocharger. Subsequently, the engine experienced a partial power loss, prompting the pilot to execute a forced landing in a field. During the landing, the nose wheel dug into soft terrain, causing the airplane to nose over.
Aircraft Examination
Following the accident, examination of the aircraft revealed that the turbocharger overboard exhaust duct, tailpipe assembly, and clamp were missing.
Inspection History
The aircraft's most recent annual inspection had been completed on September 16, 1989, approximately 26 flight hours prior to the accident. During that inspection, the turbocharger was inspected. Additionally, an undated entry in the aircraft logbook stated that the turbocharger center housing had been adjusted and that the lock tabs had been replaced.