As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE CHECKS, WHITE M/R BLADE TRUNNION BEARING GREASE WAS FOUND TO BE DARKER THAN RED BLADE. GRAY/RED IN COLOR. REMOVED AND REPLACED M/R TRUNNION BEARINGS WITH NEW BEARINGS. WHILE BLADE BEARING SHOWS SIGNS OF ADVANCED BRINNELLING. SUBMITTER STATED THIS IS THE SECOND OCCURRENCE THIS YEAR ON FLEET, PLUS ONE OTHER FROM ANOTHER OPERATOR. REF: OPER CNTRL NR 20001019SH031. (X)