As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) RETURNED TO FIELD DUE TO MLG FAILED TO RETRACT AFTER TAKEOFF. NO EMERGENCY WAS REPORTED TO BE DECLARED. DURING INVESTIGATION, IT WAS REVEALED THAT THE NR 2 MLG WHEEL ASSY ALONG WITH BRAKE UNIT HAD DEPARTED THE ACFT. DAMAGE TO LT MLG DOOR WAS OBSERVED.