As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN EMERG LIGHT: OPEN THE MAIN CABIN DOOR WITH BATTERIES, NOT PLUGGED IN TO FIND UNDER SEAT LIGHTING AND EMERGENCY EXIT SIGN ON. SUSPECT 5G SWITCH. ///SIGNOFF///RESET GSWITCH ON RH SIDE OF CENTER CONSOLE IN COCKPIT. PERFORMED EMERGENCY LIGHTING POWER SUPPLY BATTERY EXERCISE PROCEDURE TASK CARD AS PER TC·FLT-33-1001. ALL CHECKS GOOD.