What was found
LGA - FLT 2238 - DURING CLIMB, AIRCRAFT WOULD NOT PRESSURIZE AND RETURNED TO FIELD AT LGA. FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND THE E/E DOOR SEAL LEAKING EXCESSIVELY. REPOSITIONED DOOR SEAL PER MM 52-48-41 AND 52-09-12. PERFORMED LEAK CHECK OF AIRFRAME. NO LEAKS NOTED. (X)