As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING AN ANNUAL INSPECTION IT WAS DISCOVERED THAT THE LEFT & RIGHT BRAKE DISCS WERE CRACKED / BROKEN AT THE RADIUS OF THREE HOLE MOUNTING FLANGE TO DISC WALL. THE DEFECTS EXTENDS TO APPROX 90% OF THE BRAKE DISC CIRCUMFERENCE. WE HAVE TAGGED AND RETAINED THE TWO BRAKE DISCS AND PICTURES ARE AVAILABLE IF REQUESTED.