Transport i lotnictwo · 25/06/1997
McDonnell Douglas Helicopter Systems Model MD-900 Helicopters to Receive Airworthiness Directive Amendment
The Federal Aviation Administration (FAA) has adopted a new airworthiness directive (AD) for McDonnell Douglas Helicopter Systems (MDHS) Model MD-900 helicopters, requiring the application of specified serial numbers to various assemblies and establishing new life limits for several parts to address manufacturer analysis indicating a need for part reduction and addition of non-serialized parts.