As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON PUSH BACK, FLIGHT ATTENDANT AT R3 DOOR DETECTED AN ELECTRICAL ODOR. FIRST OFFICER WENT BACK AND FOUND FLOURESCENT LIGHT AT R3 DOOR OUT WITH PLASTIC COVER MELTED AT SOCKET POINT. FOUND FLOURESCENT LIGHT ASSY SOCKET END DAMAGED. REMOVED AND REPLACED LIGHT ASSY LIGHT STILL INOPERATIVE, REPLACED BALLAST ASSY IAW AMM 33-26.