What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO DFW DUE TO THE FLIGHT CREW REPORTING THAT ON CLIMB OUT A LOUD CONTINUOUS POPPING SOUND HEARD IN CABIN RIGHT SIDE OF AIRCRAFT NEAR WHEEL WELL AREA. SOUND RESEMBLED POPCORN POPPING. CHECKING PRESSURIZATION PAGE WE WERE AT MAX DELTA P 8.1 PSI AT FL350. THE AIRCRAFT LANDED SAFELY AT DFW AND TAXIED TO THE GATE UNDER ITS OWN POWER. MAINTENANCE FOUND THE UPPER RT WING TO BODY FAIRING SEAL MISSING WHICH WAS CAUSING THE POPPING SOUND REPORTED BY THE FLIGHT CREW. REPLACED THE RIGHT WING TO BODY UPPER PANEL (192DT) SEAL PER AMM 53-35-11-400-001-A.