As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER DEPLANING THE PASSENGERS THE FLIGHT ATTENDANT NOTED A BURNING SMELL IN FORWARD CABIN AREA.INVESTIGATION REVEALED THAT THE BULB IN THE CABIN OVERHEAD LIGHTING AT ROW 3 WAS ARCING AT THE AFT SOCKET (PLUNGER TYPE). THE BULB WAS REMOVED AND THE CABIN LIGHTINGAT THIS POSITION DE-ACTIVATED AND DEFERRED.