Diamond DA40 NG — Airworthiness Directives

This Airworthiness Concern Sheet (ACS) issued by the FAA addresses safety concerns regarding the Diamond DA40 and DA42 aircraft models, specifically focusing on in-flight passenger door separations. The document outlines the history of previous Airworthiness Directives (ADs) related to these models and highlights ongoing issues that have been reported by operators. The FAA is seeking information from owners and operators about any incidents or malfunctions related to the passenger door, as they consider potential corrective actions. The document serves as a communication tool between the FAA and the aviation community regarding safety concerns and the importance of proper door latching procedures.

• The FAA has received over 20 reports of passenger door separations in flight on the DA40 and DA42.
• Previous ADs required modifications to the passenger door retaining bracket due to safety concerns.
• Pilots should not attempt to close the passenger door in flight to avoid potential separation.
• The FAA is requesting information on door malfunctions to assess the situation further.
• Correct latching procedures are critical to prevent in-flight door issues.