What was found
JFK - FLT 5193 - CREW REPORTED THE HANDLE ON THE EMERGENCY EXIT ACROSS FROM MAIN DOOR CAME DOWN ON TAKEOFF AND AIRCRAFT WOULD NOT PRESSURIZE. FLIGHT ATTENDANTS SECURED HANDLE AND AIRCRAFT WAS RETURNED TO JFK WITH NO FURTHER INCIDENTS. MAINTENANCE COULD NOT DUPLICATE DISCREPANCY. EMERGENCY EXIT WAS REMOVED AND A THROUGH INSPECTION OF THE LOCKING MECHANISM INTERNAL AND EXTERNAL WITH NO DEFECTS FOUND. DOOR WAS REINSTALLED AND A GROUND PRESSURIZATION CHECK WAS COMPLIED WITH AND NO DEFECTS NOTED. AIRCRAFT WAS RETURNED TO SERVICE. (M)