What was found
AFTER TAKE OFF KATL, DOOR NOT LATCHED LIGHT ILLUMINATED AFTER GEAR RETRACTION. PERFORMED ABNORMAL PROCEDURE. UNABLE TO EXTINGUISH LIGHT; AIRCRAFT DIVERTED TO MIA & LANDED WITHOUT INCIDENTS.CORRECTIVE ACTION: REMOVED AND REPLACED LEFT AND RIGHT DOORS MICRO SWITCHES. INDICATION OPS CHECKS NORMAL IAW MM 32-60-0 AND OPS CHECKED MAIN GEAR DOOR UPLATCH MECHANISM IAW MM 32-31-4 AND FOUND NORMAL.