What was found
FA REPORTED MAIN DOOR WAS SQUILING, BEGAN AROUND FL20 DURING PRESSURIZATION/LEAK CHECK OF AIRCRAFT FOUND SERVICE DOOR HAS A LEAK ON BOTTOM FORWARD CORNER-C/A-REPAIRED SERVICE DOOR FRAME SEAL AT FWD LOWER CORNER IAW EMB 140 AMM 53-21-11 SEE NRWC 831-DFW-03891 ITEM #2 FOR LEAK CHECK.PERFORMED FUNCTIONAL TEST FOR CABIN LEAKAGE IAW AMM 21-31-00-700-808-A,FUNCTIONAL TEST GOOD,NO SQUEELING NOISE AT MAIN DOOR,NO FURTHER DEFECT NOTED.