As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF FROM TPA. QRH PROCEDURES WERE COMPLIED WITH AND THE AIRCRAFT WAS DIVERTED TO MCO WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE NLG SCHRADER VALVE O-RING LEAKING AND THE STRUT WAS FLAT. THE O-RING WAS REPLACED AND A FULL NOSE STRUT SERVICING WAS PERFORMED. THE GEAR WAS CYCLED AND ALL SYSTEMS CHECKED NORMAL.