As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE BLEEDING LEFT BRAKE, TECHNICIAN NOTICED LT REAR MAIN LANDING GEAR TRUNNION BLOCK BROKEN IN HALF. NO HARD LANDINGS REPORTED BY CREW. INSTALLED NEW BLOCK AND C/W NDT OF AREA AND OTHER TRUNNION BLOCKS. AN ALERT TECHNICIAN MAY HAVE SAVED GEAR COLLAPSING ON LANDING OR SOME OTHER MALFUNCTION.