This Service Bulletin (SB) was prompted by internal testing conducted by Freefly. Testing discovered that certain motor mounting screws were not installed with adequate torque and/ or threadlocker.
This bulletin applies to a limited number of ALTAs manufactured before Oct. 6th, 2015. As of now, there is only one outstanding unit (SN:600289) that has not been updated.
See attached PDF for full details about this service bulletin.