An "X" on an AFTO Form 781 indicates what condition?

The presence of an "X" on an AFTO Form 781 signifies that the item in question is deemed unsafe, unserviceable, or non-airworthy. This marking is crucial in the context of aircraft operations, as it alerts maintenance personnel and pilots to potential issues that could compromise safety. The use of an "X" indicates a clear status that requires attention, ensuring that appropriate measures are taken before the equipment or aircraft can be used.

This condition is essential for compliance with safety regulations and effective maintenance practices, as it helps prevent the operation of equipment that is not in suitable condition for safe use. The significance of this marking necessitates prompt action to address any identified problems to maintain operational integrity and ensure the safety of all personnel involved.