Which documentation method is used for addressing immediate safety concerns in PMS?

The appropriate documentation method used for addressing immediate safety concerns in Planned Maintenance System (PMS) is the Advance Change Notice. This notice is specifically designed to alert personnel about critical safety-related changes that must be implemented swiftly to ensure the safety and operational integrity of equipment and systems.

In the context of PMS, an Advance Change Notice conveys urgent updates that may involve safety precautions, operational procedures, or technical instructions that need to be adopted immediately. It enables maintenance personnel to be informed and prepared, reducing risks that are associated with outdated or incorrect safety protocols.

Although the other options pertain to various aspects of maintenance documentation, they are not specifically aimed at facilitating immediate action on safety concerns. The Standard Change Notice relates more to non-urgent updates in procedures or guidelines, while the Technical Feedback Report is used to suggest improvements or highlight issues based on user experience rather than immediate safety. The Routine Maintenance Report deals with scheduled maintenance tasks and is not intended for urgent safety communications. Thus, the Advance Change Notice is the most suitable method for addressing pressing safety issues effectively.