As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THIS IS THE 3RD OCCURRENCE OF ALTERNATOR FAILURE IN NEW MFG ALTERNATORS. EACH TIME ONE OF THE FIELD BRUSHES WAS FOUND INSTALLED WITH THE WIRE TOWARD THE SLIP RING (BACKWARDS). THIS IS THE 2ND M AND D REPORT SUBMITTED REGARDING THIS SAME INCIDENT. NEED TO INFORM MFG OF SITUATION.