What was found
UNIT REMOVED FOR SEVERE VIBRATION. DRIVE END BEARING HAD FAILED. BEARING RACE WAS RUSTED IN LINER OF END BELL AND COULD NOT FLOAT. RECOMMEND LUBRICATION ON BEARING RACE WHEN INSTALLED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
UNIT REMOVED FOR SEVERE VIBRATION. DRIVE END BEARING HAD FAILED. BEARING RACE WAS RUSTED IN LINER OF END BELL AND COULD NOT FLOAT. RECOMMEND LUBRICATION ON BEARING RACE WHEN INSTALLED.