What was found
ARMATURE COMMUTATOR TOTAL INDICATED RUN-OUT VARIES PLUS OR MINUS 0.005 INCH. INCONSISTENCY OF COMMUTATOR WEAR CAUSED EXCESSIVE BRUSH WEAR. (X)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ARMATURE COMMUTATOR TOTAL INDICATED RUN-OUT VARIES PLUS OR MINUS 0.005 INCH. INCONSISTENCY OF COMMUTATOR WEAR CAUSED EXCESSIVE BRUSH WEAR. (X)