IMCA (International Marine Contractors Association) has reported a number of incidents, extracts of which are published here involving workboat and corrosion incidents, giving suggested recommendations in each case.
Incident one. Incomplete engine service by vessel crew led to an auxiliary power unit engine breakdown.
After servicing of a vessel’s electrical generator (auxiliary power unit) it was found that the motor could not be returned to a functioning service. Initial investigation revealed a lack of coolant movement, causing the motor to overheat which in turn was causing the generator to automatically shut down. Further investigation (not by the crew) found a blockage was located within the coolant line. The blockage was a wooden bung.
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