As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: LANDING GEAR LEVER REMAINED LOCKED FOR SEVERAL MOMENTS AFTER BEING AIRBORNE BEFORE UNLOCKING AND ALLOWING GEAR TO BE RETRACTED. MAINTENANCE REPLACED MAIN LNDING GEAR PROXIMITY SENSORS 20GA (AALA202607098789) AND 22GA (AALA202607095553) PER AMM 32-31-73. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ISSUES NOTED.