What was found
PHL - FLT 1980 ATL TO PHL. SHORTLY AFTER TAKEOFF, FLIGHT ATTENDANT CALLED ABOUT STRONG ODOR, LIKE BURNING OIL SMELL, PRIMARILY IN AFT CABIN. NO ODOR NOTED IN COCKPIT. TURNED OFF NR 2 PACK AND SMELL DISSIPATED. MAINTENANCE REMOVED AND REPLACED THE RECIRCULATING AIR FILTERS.