We received the returned light listed under customer complaint #(b)(4) and imitated an investigation.The product was a mi-1000 single ceiling mount.A visual inspection was performed and other than the arm support fitting (p/n 1002036) there was light surface damage found (ie: nicks and scratches).Because the arm support fitting (1002036) was tested several weeks ago under rma # (b)(4) for another customer complaint (#(b)(4)).The load test was not run again.We did cross-section analysis on the failed surfaces and did not see any porosity or abnormal material flow patterns.We could not definitively determine the cause of the failure.The light surface damage was deemed inconsequential.This are was out of (b)(4) sold in 2014 and this is the only failure of this component reported for that production year.Note: this report is late because it was sent to the test emdr instead of production.
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