Accident Overview
The pilot attempted a single-engine missed approach to the departure airport after losing right engine power during the departure climb phase. The pilot reported being high on the approach and feathered the propeller when executing the missed approach. Instrument meteorological conditions were present at the time.
Performance Data
Graphical performance data for the airplane shows a positive climb rate of approximately 340 feet per minute under field conditions, based on the airplane's checklist configuration for single-engine flight. The data also indicates a loss of single-engine climb performance of 400 feet per minute if the propeller is not feathered, and an additional loss of 200 feet per minute with a flap setting of 15 degrees.
Engine Examination
Examination of the right engine found that the oil return line from the turbocharger to the scavenge oil pump was disconnected. The connector threads showed no evidence of stripping. The engine’s oil pan was removed, revealing the presence of metallic debris.
Maintenance History
Logbook records indicate that the last maintenance performed on the engine was its installation, which occurred 31.7 hours before the accident.