As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THRUST REVERSER UNLOCK LIGHT ILLUMINATED AFTER TAKEOFF. PILOT PERFORMED EMERGENCY PROCEDURES CHECKLIST AND LANDED AIRCRAFT BACK AT DEPARTURE FIELD (TEB). MAINTENANCE PERFORMED OVERWEIGHT LANDING INSPECTION AND TROUBLESHOOT FAULT TO INDICATION PROBLEM. REPLACED BOTH STOW SWITCHES.