Every job has its ups and downs in which shipping is not exempted,a day when an auxiliary engine developed fault triggered through alarms and trips indicating high temperature and fluctuation of engine revolution.
For high temperature, sea chest was opened and cleansed which the result was not achieve until engine oil heat exchanger was later opened - more... and cleansed. The result was a temperature drop on the auxiliary engine.
For fluctuation of revolution, fuel lines on the defaulted engine were loosen and bled from the main supply to individual injector nozzle. And fuel filters were changed to n ... - less