Transport i infrastruktura · 21/09/1994
FAA Issues Airworthiness Directive for Puritan Bennett Crew Masks
The Federal Aviation Administration (FAA) has issued an airworthiness directive requiring modification of certain Puritan Bennett Sweep-On Model 2000 crew masks installed on transport and commuter category airplanes to address issues with exhaling into the masks due to misalignment of the demand diaphragm.