The no. 3 diesel generator engine aboard the Ocean Intervention suffered
a mechanical failure at 1303 local time on December 19, 2020, while the
offshore supply vessel was anchored off Honolulu, Hawaii.

Throughout the morning Dec 19, 2020, the crew on the Ocean Intervention
was troubleshooting speed variation problems with the nos. 1 and 3 DGs,
which required the replacement and calibration of many electrical
components as well as multiple engine restarts.

The no. 3 DG suffered a major mechanical breakdown about 15 minutes
after the no. 1 DG was taken offline, leaving the no. 3 DG to bear the
vessel’s electrical load.
Cylinder no. 1’s connecting rod was expelled through the engine
crankcase while running at rated speed. The connecting rod’s ejection
caused atomized oil to escape and burn, resulting in a fire in the engine room.

The NTSB determined that a cylinder’s connecting rod bearing
clinging to the crankshaft was the likely cause of the diesel
generator engine failure, resulting in the ejection of the connecting
rod and severe engine damage.

Thus, This could be provided with the help of a planned maintenance system.
this are the following how PMS can help:

1. PMS helps your maintenance the engine with daily, weekly, or monthly
check up or other maintenance that can be done and it alert you when
its due and it allocate to the person-in-charge Which provides you from
having sudden issues like no.1 DG in this case,calibration or maintenance
would have been scheduled using PMS and any issue would have been
fixed in the process.

2. All engines’ conditions and history can be recorded and if replacement
is need you can see the history of a particular item i.e. in this cause
the cylinder and connecting rod would have been replaced beforehand.

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