What immediate action should be taken if a thruster shows a drop from 45% command to 20% feedback?

When a thruster shows a significant drop from 45% command to 20% feedback, the best course of action is to notify personnel to start troubleshooting and monitor the situation. This response is crucial for several reasons.

Firstly, a discrepancy between command and feedback indicates a potential problem with the thruster system, which could affect the vessel's dynamic positioning capabilities. Instead of ignoring the feedback, which could lead to further issues or even jeopardize the safety of the vessel, the immediate notification of personnel allows for a systematic approach to identify and rectify the cause of the discrepancy.

Furthermore, monitoring the situation is important as it provides real-time data that can help troubleshoot the problem effectively. During this period, it’s essential to keep updated on the vessel's positioning status to ensure stability while addressing the thruster’s performance.

Taking proactive measures like this not only supports effective problem-solving but also aligns with best practices in DP operations, where maintaining vessel control is critical.