Airworthiness Directives; The Boeing Company Airplanes

 that do not have secondary retention lanyards. The FAA is issuing this AD to address PSU-mounted video monitors that could become fully detached or be held at an unsafe height, which, if not addressed, could result in injury to passengers and impede passenger and crew egress during emergency evacuation. Discussion of Final Airworthiness Directive Comments The FAA received a comment from Boeing, who supported the NPRM without change. The FAA received additional comments from five commenters, including All Nippon Airways Co., Ltd. (ANA), Aviation Partners Boeing, Delta Air Lines, Inc. (Delta), Panasonic Avionics Corporation (Panasonic), and an individual. The following presents the comments received on the NPRM and the FAA's response to each comment. Request To Clarify Method for Determining Applicability Delta requested that the FAA clarify that they can accomplish either a physical inspection for the existence of PSU-mounted video monitors or accomplish a review of Delta's PSU Layouts (Delta's PSU drawing configuration) to determine if this AD applies. The FAA agrees to clarify that operators can determine if their airplanes are equipped with PSU-mounted video monitors by performing a physical inspection or a records check, provided the presence of PSU- mounted video monitors can be conclusively [[Page 65942]] determined from that review; either method is acceptable to determi