As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) STARTER-GENERATOR WAS REMOVED TO INVESTIGATE AN ENGINE VIBRATION. AME FOUND THE DRIVE END BEARING WAS VERY LOOSE, WITH RADIAL PLAY. SENT UNIT TO AMO. AMO DISASSEMBLED & FOUND D.E. BALL BEARING HAD CONSIDERABLE PLAY IN BOTH RADIAL (.010) X AXIAL (.025) DIRECTIONS. NO OTHER FAULTS FOUND.NEW BEARING INSTALLED & UNIT TESTED AND RETURNED RO SERVICE.U/S BEARING SENT TO OEM FOR WARRANTY ASSESSMENT.