What was found
UNIT FAILED IN-FLIGHT WITHOUT INCIDENT, SUSPECT INTERNAL MOTOR BRUSH OR COMMUTATOR FAILURE. UNIT OVERHAULED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
UNIT FAILED IN-FLIGHT WITHOUT INCIDENT, SUSPECT INTERNAL MOTOR BRUSH OR COMMUTATOR FAILURE. UNIT OVERHAULED.