The autopilot gets blamed for many squawks, such as aircraft porpoising, oscillating reaction and wing rock, among others. However, it may just be reacting to false readings it is receiving from the computers due to servo tach problems.
As you might expect, like so many issues surrounding when you should weigh your business aircraft, there are a multitude of correct answers depending on the circumstances.
At Duncan Aviation, we have recently been made aware of a Master Warning Light issue on Learjet 60s that have complied with Service Bulletin 60-31-2 and have the ice detector option installed with the ice detector annunciators in the Glareshield.
At Duncan Aviation, we’ve noted several Gulfstream V aircraft with pitting on the spoiler board and fixed wing overhang panels.