On February 21, 1992, a Cessna T210M (registration N732TR) operated by Prompt Air, Inc. was involved in an aviation accident near Washington, IN. Investigators recorded the probable cause as: THE TOTAL LOSS OF ENGINE POWER DUE TO A FATIGUE-FRACTURED CRANKSHAFT. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 1 related events involving the same aircraft type or operator are linked below.
An airplane sustained substantial damage during a forced landing after a complete loss of engine power. Investigation revealed a fractured crankshaft with fatigue cracking between main bearing journals.
Accident Summary
The airplane experienced a complete loss of engine power, prompting a forced landing. During the landing, the airplane sustained substantial damage.
Investigation Findings
Post-accident inspection of the engine disclosed a fractured crankshaft. A metallurgical examination of the crankshaft revealed ladder cracking and a fatigue fracture located between the number 3 and number 5 main bearing journals.
Engine Examination
The crankshaft was a used component that had been inspected and installed as part of a "zero time" overhauled engine. The post-accident metallurgical inspection did not discover any preexisting metallurgical anomalies in the crankshaft.
What happened in the 21 Feb 1992 Cessna T210M accident near Washington, IN?
An airplane sustained substantial damage during a forced landing after a complete loss of engine power. Investigation revealed a fractured crankshaft with fatigue cracking between main bearing journals.
What aircraft was involved and where did it happen?
The accident on 21 Feb 1992 involved a Cessna T210M, registration N732TR, operated by Prompt Air, Inc., at Washington, IN.
What was the probable cause of the accident?
THE TOTAL LOSS OF ENGINE POWER DUE TO A FATIGUE-FRACTURED CRANKSHAFT.
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