As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD - FLT 4221 - DURING TAXI, AFT OVERHEAD EMERGENCY LIGHT WAS FOUND TO BE INOPERATIVE. MAINTENANCE FOUND CANNON PLUG FOR AFT OVERHEAD EMERGENCY LIGHT TO BE DISCONNECTED. CANNON PLUG WAS RECONNECTED IAW EMB 145 AMM. LIGHT OPERATIONALLY CHECKED GOOD. (M)