As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLAP MOTOR EXPERIENCED AN OUT OF BOX FAILURE IMMEDIATELY AFTER INSTALL. THE MOTOR`S INTERNAL BRAKE MECHANISM MALFUNCTIONED IN A WAY TO NOT ALLOW IT TO RELEASE. THE PART WAS IN NO WAY AIRWORTHY AND MALFUNCTION SHOULD HAVE BEEN NOTICED AT THE REPAIR STATION DURNING THE FUNCTIONAL CHECK WHICH WAS SIGNED OFF BY THEM .