As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TRANSMISSION BEVEL WHEEL REJECTED NEW OUT-OF-BOX. UNABLE TO GET ACCEPTABLE GEAR PATTERN. INSTALLED IN 2 DIFFERENT GEARBOXES WITHOUT SUCCESS (SAME RESULTS). THE CONTACT PATTERN IS ALWAYS OFF THE TOE. REPLACED WITH NEW UNIT, CORRECT PROBLEM.