Summary
We propose to adopt a new airworthiness directive (AD) for AgustaWestland S.p.A. (AgustaWestland) Model A119 and AW119 MKII helicopters to require inspecting the pilot and co-pilot doors to ensure that the windows are properly bonded within the doors. If the windows are not properly bonded, the proposed AD would require applying bonding to the windows, the seals, and the window frames of the pilot and co-pilot doors. This proposed AD is prompted by the loss of a pilot-door window during a test flight. The proposed actions are intended to ensure the windows do not detach from the doors, potentially injuring persons on the ground and damaging the helicopter's tailboom and the tail rotor blades.