As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT WING EMERGENCY EXIT ILLUMINATED SIGN ELECTRICAL; PLUGGED INTO THE OVER-WING EXIT DOOR SURROUND HEATER WIRING.<[01] BATTERY CHARGER FOR LEFT FOWARD OVER WING EMERGENCY EXIT LIGHT WAS REPLACED ON CARD TTG8Q00SHP5V LINE 2972.;[02] VERIFIED CORRECTIVE ACTION #1.