As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FL410 AT CRUISE, SOUND OF SIGNIFICATE AMOUNT OF AIR PASSING THRU MAIN CABIN DOOR.CABIN PRESSURE MAINTAINED. ADJUSTED DOOR FRAME SOCKETS AS REQUIRED DUE TO DOOR SEAL CLEARANCE GAPS AND REPLACED DOOR SEAL GRUMMET WITH NEW GROMMET DUE TO WEAR IAW THE 560 MM CHAPTER 52-10-01. PERFORMED CABIN ENTRANCE DOOR SECONDARY, SEAL OPS TEST IAW 560 MM CHAPTER 21-30-00. OPS AND LEAK TEST NORMAL.