FAA Adopts Airworthiness Directive for De Havilland Aircraft Model DHC-8-401 and -402 Airplanes

Summary

The FAA is issuing an airworthiness directive for De Havilland Aircraft of Canada Limited Model DHC-8-401 and -402 airplanes due to a report of an in-flight event where isolation valve caution messages were received, requiring inspections and replacements of fuse/shuttle valves.