AD Proposed for Diamond Doors

Comments will be accepted through Oct. 12 on a notice of proposed rulemaking (NPRM) regarding the rear passenger doors of Diamond Aircraft DA40 and DA40F piston singles. The NPRM calls for instituting an Airworthiness Directive to alter the procedure for opening the doors in an emergency, and also require replacing the retaining bracket for the doors on some aircraft. There have been 31 incidents in which the doors broke off in flight and another 18 doors that required replacement due to damaged hinges.