As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON OVERNIGHT WALKAROUND TRANSIT CHECK - AMT FOUND DAMAGE TO NR 2 MLG WHEEL ASSY AND BRAKE. DAMAGE OCCURRED WHEN THE INSIDE KEY OF NR 2 WHEEL ASSY HOLDING BOLT SHEARED AND THE KEY BACKED OUT STRIKING THE NR 2 BRAKE ASSY. THE KEY WAS HELD IN PLACE BY THE BRAKE ROTOR CUT OUTS AND CONTINUED TO ROTATE WITH THE WHEEL ASSY. REPLACED WHEEL AND BRAKE.