When an inflight equipment malfunction is reported, what is the controller's priority?

In the context of managing inflight equipment malfunctions, the prime responsibility of the air traffic controller is to assess the situation thoroughly. By determining the nature and extent of handling required, the controller gathers crucial information regarding the malfunction and its potential impacts on the aircraft's safety and operations.

This step is essential, as it allows the controller to make informed decisions about the appropriate response. Understanding whether it's a minor issue or a critical emergency enables the controller to prioritize actions, communicate effectively with the pilot, and coordinate necessary support from other agencies, such as emergency services or nearby aircraft.

Prioritizing by first assessing the situation ensures that the response is tailored to the specific needs of the flight, thus enhancing safety and efficiency in handling the issue. In this context, changing the flight path, supplying pilots, or notifying ground crews are reactive measures that depend on an initial comprehensive evaluation of the problem, making it essential to establish the necessary understanding first.