As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: WHILE PERFORMING PS CHECK FOUND EMERGENCY LIGHTS AT ROWS 28,29,30,31,32 AND 33 ABC INOPERATIVE. ACCOMPLISHED FIM 33-50-00. FOUND EMERGENCY LIGHT CANNON PLUG DISCONNECTED AT ROW 28ABC. RECONNECTED AND SECURED PLUG IAW AMM 33-51-06.