If after reducing power to a GTE in response to a high lube oil supply temperature alarm, the temperature continues to rise, your next step should be to __________.
Official USCG Answer & Rule Citation
Correct Answer: Option C — shutdown the engine
If lube oil supply temperatures continue to rise despite power reduction, it indicates a failure in the cooling system or an internal mechanical issue generating excessive heat. Continued operation risks bearing failure and catastrophic engine damage; therefore, immediate shutdown is required to preserve the engine's mechanical integrity.
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