What was found
FLT 730 - MSY-PHL - CLIMBING THROUGH APPROXIMATELY 12,000 FEET, CABIN AND COCKPIT STARTED TO FILL WITH NOXIOUS FUMES. PACKS WERE TURNED OFF, AND FUMES BEGAN TO CLEAR. RETURNED TO MSY. FOUND BIRD STRIKE AT INTAKE RIGHT ENGINE. INSPECTED INTAKE AND EXHAUST AND FOUND NO DAMAGE. PERFORMED INSPECTION PER MD-80 MM 05-31-08, PG 601 AND 602. (M)