As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE: N/A DURING CLIMB, A VERY LOUD HUMMING NOISE DEVELOPED FROM THE FORWARD ENTRY DOOR AREA. PRESSURIZATION AND DOOR INDICATIONS REMAINED NORMAL. NOISE DIMINISHES BELOW 6.5AP AND FL250. PERM REPAIR C/W, PER SR EO A300-5210-20334. FOUND ENTRY DOOR SEAL HAD SMALL TEARS ON BOTTOM AND UPPER AFT CORNER. C/W CABIN PRESS CHECK. NO LEAKS NOTED.