These standoff brackets have a tendency to crack if the aft door rubber bumper stop is out of adjustment.
If you have the TCAS 2000 system or its predecessor, the Honeywell TCAS II TCZ-910, there is an AD coming.
Falcon 50, Falcon 20, King Air 200 and 1900D aircraft making trips to Europe need to be aware of a recent EASA AD.
Intermittent failures like failure to deploy, failure to stow and intermittent unlocked light or operation may be caused by the Flex Shaft Lock.
Lear 45 operators approaching the 10-year life limit of the spindle have two options: replace the spindle or replace the spindle assembly. Each option has its benefits and drawbacks.