What was found
THE FLIGHT ATTENDANTS REPORTED AN ODOR OF ELECTRICAL SMOKE WHILE ON APPROACH. THE AIRCRAFT LANDED AT EWR WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT FOR AN ELECTRICAL FAILURE AND FOUND NO FAULTS. ALL THREE WATER SEPARATOR BAGS WERE FOUND EXTREMELY SOILED. THE WATER SEPARATOR BAGS WERE REMOVED AND REPLACED. THE PACKS WERE RUN WITH AND WITHOUT ENGINES OPERATING AT HIGH AND LOW POWER AND NO ODOR WAS PRODUCED. IN ADDITION, LIGHTS AND AUDIO/VIDEO EQUIPMENT WERE ALL CHECKED WITH NO TROUBLE FOUND.