What was found
(AUS) STARTER MOTOR BRUSHES WORN UNEVENLY. THE STARTER MOTOR WASREMOVED DUE TO CONTAMINATION WITH ENGINE OIL FROM A LEAKING CRANKSHAFT SEAL. THE UNIT WAS REMOVED AND DISASSEMBLED AND THEFOLLOWING DEFECTS WERE NOTED: BRUSHES FITTED WERE AUTOMOTIVE PARTS AND MUCH HARDER THAN THE COMMUTATOR. THE BRUSH FACE WEAR WAS ANGLED. THE COMMUTATOR HAD BEEN DAMAGED BY THE HARDER BRUSHES. THE STARTER WAS CONTAMINATED EXTERNALLY AND INTERNALLY WITH OIL FROM THE LEAKING CRANKSHAFT SEAL UNAPPROVED PART. PERSONNEL/MAINTENANCE ERROR.