As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING ROUTINE/DAILY INSPECTIONS OF THE T/R 1/2 SHELL BRGS AT 300-350 HR TSN, WEATHER CHECKING WAS OBSERVED ON THE RUBBER LAMINATE SECTION OF ALL 4 1/2 SHELL BRGS. MONITORING CONTINUED ON THE VISIBLE PORTIONS OF THE BRGS. AND AT ABOUT 400-450 HR TSN SOME WEATHER CHECKING WAS OBSERVED TO DEVELOPE INTO VISIBLE CRACKS. AT THIS TIME AN EARLY 600 HR T/R INSPECTION WAS SCHEDULED. 1/2 SHELL TSN=568.2 HRS. AT REPLACEMENT, CRACKS WERE BEYOND LIMITS. (TC# 20180104004)