Final answer:
The Inoperative Fittings and Closures Log is the document used to list all DC-related fittings that are not functioning correctly, helping the ship's crew maintain readiness and safety.
Step-by-step explanation:
The log which is a list of all DC-related fittings that don't work properly is the Inoperative Fittings and Closures Log.
This log is specifically designed to record any issues with fittings and closures that are part of a ship's damage control system. It serves as an essential tool for the ship's crew to maintain operational readiness and ensure that all damage control equipment is in working order or identified for repair.