Airworthiness Directives (ADs) are legally enforceable rules issued by the FAA in accordance with FAR part 39 to correct an unsafe condition in a product. FAR part 39.3 defines a product as an aircraft, aircraft engine, propeller, or appliance.
Aircraft owners and operators are responsible for ensuring compliance with the requirements of all ADs that apply to their aircraft. Anyone who operates an aircraft that does not meet the requirements of an applicable AD is in violation of FAR part 39.7.
Additionally: FAR part 43.11(b) states that any person approving an aircraft as Airworthy after an inspection must find the aircraft in compliance with all applicable Airworthiness Directives.
FAR 91.417 (a) states that each owner or operator shall keep the following records for the periods specified in para (b) of this section.
Para (b) in this section states that the records specified in para (a)(2) of this section shall be retained and transferred with the aircraft at the time the aircraft is sold.
And finally; para (a)(2)(v) states that the current status of applicable airworthiness directives (AD) and safety directives including, for each, the method of compliance, the AD or safety directive number and revision date. If the AD or safety directive involves recurring action, the time and date when the next action is required.
A complete and properly filled-out AD Matrix organizes your airworthiness compliance documentation into a concise and approved document that would be in compliance with FAR 91.417 Maintenance Records.