What was found
DURING MAINTENANCE ON T/R HUB AND BLADE (HIGH FREQ VIB), FOUND INBOARD BEARINGS CRACKED, TOTAL TIME OF BEARINGS, 921.7 HOURS.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING MAINTENANCE ON T/R HUB AND BLADE (HIGH FREQ VIB), FOUND INBOARD BEARINGS CRACKED, TOTAL TIME OF BEARINGS, 921.7 HOURS.