As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SERVICE DOOR SEAL LEAKING AIR, CLIMBING THROUGH 18000 FEET LOUDER POP THAN PRIOR FLIGHT. HISS & BALLOON NOISE WAS LOUD & INCREASING. STOPPED CLIMB & DESCENDED BACK TO 16000 TO HAVE THE LOUD FLAPPING NOISE QUIT, HISS WAS STILL PRESENT. 6.7DELTA P WAS START. R & R SERVICE DOOR SEAL IAW AMM 52-41-07. LUBED SERVICE DOOR SEAL IAW AMM 12-20-52. PERFORMED OPERATIONS CHECK IAW 52-41-07-710-801. OPERATIONS CHECKED GOOD. NO DEFECTS NOTED, OK FOR SERVICE.