As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT OF FLIGHT 7501 EYW-FLL, THE DOOR WARNING ANNUNCIATOR CAME ON. THE AIRCRAFT RETURNED BACK TO THE DEPARTURE AIRPORT AND INSPECTED THE DOOR HANDLE. ONCE THE DOOR HANDLE WAS INSPECTED AND THE ANNUNCIATOR EXTINGUISHED, THE AIRCRAFT WAS INFO-ED ONLY AND DEPARTED ONCE AGAIN.