Resource Documents by Roberts, Don
Gearbox Failure Investigation
EXECUTIVE SUMMARY The town of Portsmouth, Rhode Island (Portsmouth) commissioned a new AAER 1500-77-65 1.5 Megawatt wind turbine on March 24, 2009. On May 18, 2012, significant amounts of metal were found in the gearbox oil filter housing and significant internal damage was observed with a borescope. The filter element was replaced on May 25, and the turbine was returned to service. The turbine was removed from service on June 18, 2012 after significant additional metal was discovered in the filter . . . Complete article »
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