On its monthly safety scenario for December, the Swedish Club presents a case where serious damage was caused to a ship’s main engine. Namely, due to lack of communication water contaminated the lubrication oil damaging severely the engine.
The incident
Engineers on a bulk carrier were conducting scheduled maintenance on one of the ballast pumps. They had closed all the isolating valves to the ballast pump and put up notices about the job in the engine room and engine control room, but not on the...
https://safety4sea.com/absence-of-communication-leads-to-serious-main-engine-problems/