What was found
CLT - FLT 84 - AFTER TAKEOFF, AIRCRAFT WOULD NOT PRESSURIZE AND THE COCKPIT WAS EXTREMELY NOISY. FLIGHT RETURNED TO FIELD AT CLT AND LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. MAINTENANCE FOUND THE E/E DOOR OPEN AND ALSO FOUND THE DOOR INDICATION IN THE COCKPIT WAS INOP. DOOR WAS CLOSED AND THE FLIGHT WAS DISPATCHED WITH THE E/E DOOR LGIHT INDICATION ON MEL. MAINTENANCE ADJUSTED THE E/E DOOR PROXIMITY SWITCH. DOOR INDICATION CHECK GOOD. REMOVED MEL. (M)