Which form of documentation helps track maintenance work completed against what was assigned?

The correct choice is work comparison forms, which are specifically designed to track and evaluate maintenance work that has been completed against the tasks that have been assigned. These forms allow operators and maintenance supervisors to compare what was planned for maintenance activities against what has been actually accomplished. This comparison is crucial for ensuring that all necessary work is being completed, identifying any discrepancies, and facilitating effective planning for future maintenance activities.

Work comparison forms typically include detailed information about the assigned tasks, the completion status, any problems encountered during the work, and the results of the maintenance activities. This comprehensive tracking not only ensures accountability but also aids in improving organizational efficiency by highlighting trends in maintenance work, allowing for better resource allocation, and enhancing overall system performance.

While task checklists are useful for ensuring that specific items are completed, they may not provide the comprehensive overview or comparative tracking that work comparison forms do. Incident reports are focused on specific unusual occurrences or issues rather than routine maintenance tracking, and completion forms typically document that work has been finished without providing the contextual comparison that a work comparison form offers.