The lot history, trend analysis, risk analysis and/or directions for use review were considered acceptable, with the product performing within anticipated rates.No corrective action was deemed necessary.This unit was in an extremely poor state upon return.The on/off pcb had been damaged by salt action and was no longer reliable in its operation.At a minimum, several cover items are in need of replacement.The assembly reflects a previous service date of december 2015.Based on the product evaluation results, the most probable root cause is lack of service/maintenance.The investigation is complete.
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