As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT FL360 CREW HEARD LOUD RUSH OF AIR, SHORTLY FOLLOWED BY CABIN ALT CLIMBING AND CABIN ALT WARNING SOUNDING. UNABLE TO CONTROL PRESSURIZATION. DIVERTED DUE TO LOSS OF CABIN PRESSURE. *S/D* IMPROPER INSTALLATION. REPLACED FWD CARGO DOOR SEAL DUE TO MISSING AND HANGING OUT OF DOOR.