What was found
FOR FLIGHT 4128 THE FLIGHT ATTENDANT REPORTED AFTER LANDING SHE NOTICED AN ELECTRICAL ODOR EMITTING FROM THE TOILET SECTION (ELECTRICAL BURNING SMELL). THE AIRCRAFT WAS REMOVED FROM SERVICE. PERFORMED GENERAL VISUAL INSPECTION OF LAV LIGHTS /BALLAST AND LAV MOTOR. FOUND UPPER LAV LIGHT BALLAST BLOWN. REMOVED AND REPLACED BALLAST IAW EMB 145 AMM 33-28-02 COULD NOT REPRODUCE ODOR. NO DEFECTS NOTED. THE LAV LIGHT OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.