As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT FL 350 CABIN STARTED CLIMBING AT 650 FPM. CARGO HEAT OUTFLOW AND MAIN OUTFLOW VLV'S CLOSED. LT PACK WENT TO FULL CLOSED AND WOULD NOT CHANGE. NO DUCT OVERHEAT OR PACK TRIP OFF LIGHT, ALSO NO PRESS FAILURE LIGHTS. FOUND C-3 CARGO DOOR FWD LWR CORNER CRACKED. REPLACED DOOR.