As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REMOVED ALTERNATOR DUE TO AMPMETER FLUCTUATION. INSPECTED AND DETERMINED AUTOMOTIVE TYPE. COOLING FINS WERE INSTALLED IN OPPOSITE DIRECTION AS COMPARED TO O/H AERO ELECTRIC UNITS. ALTERNATOR REMOVED, HAD NO DATA PLATE OR ANY MARKINGS. UNIT REMOVED AND DISCARDED.