As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND DURING 500 HOUR INSPECTION. INSPECTION CHECK WIGH DIAL INDICATOR REQUIRED DISASSEMBLE. SPLINES INSPECTED AND MEASURED WITH PINS. BEYOND LIMITS, PART REJECTED. NOTE: ROTOR BRAKE DISC FREE FLOATS ON THIS SPLINE ASSEMBLY. WEAR STEP ONLY IN AREA DISC RIDES.