The correct answer is B) The brake linings must be checked for wear and adjusted or replaced accordingly. When a spring-set electric solenoid-released brake on a winch fails to hold a load properly when the solenoid is de-energized, the issue is likely related to the condition of the brake linings, not the solenoid coil, spring, or brake drum. Over time, the brake linings can become worn, reducing their ability to create the necessary friction to hold the load. Checking the brake linings for wear and adjusting or replacing them as needed is the appropriate action to resolve the problem. The other answer choices are incorrect because they do not address the root cause of the issue, which is the wear on the brake linings. Replacing the solenoid coil, spring, or brake drum may not fix the problem if the real issue is the condition of the brake linings.