As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 753, JFK-CUN, AIRCRAFT DIVERTED TO MCO DUE TO WEATHER RADAR SYS INOP. QRH RESET PROCEDURE WAS ATTEMPTED WITH NO SUCCESS. FOUND RADAR DRIVE ANTENNA STUCK (FAIL) IN LEFT POSITION. REMOVED AND REPLACED WEATHER RADAR DRIVE ANTENNA (7SQ) REF AMM 34-41-11. OPS CHECK GOOD.