What was found
LAX - FLT 222 - AFTER TAKEOFF, CREW REPORTED BURNING SMELL AND HAZE THROUGHOUT CABIN. FLIGHT ATTENDANT REPORTED GRINDING NOISE OVER LEFT WING. GEAR AND DOORS WERE CLOSED. RETURNED AND LANDED LAX WITHOUT INCIDENT. ACCOMPLISHED INSPECTION AND PACK BURNOUT PER MM. NO SMOKE OR BURNING SMELL FOUND. UNABLE TO DUPLICATE. OPERATED FLAPS AND SPOILERS NO GRINDING NOISE HEARD. SYSTEM GROUND CHECK NORMAL OPERATION. (M)