As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT CRUISE ALTITUDE HAD WING AND COWL A/I ON,RECIEVED DUCT MON FAULT STATUS MESSAGE THEN RECIEVED LH BLEED DUCT WARNING MESSAGE. LOST CABIN PRESSURIZATION AND STARTED DECENT 10,000 FT DID NOT LAND OVERWEIGHT. (FLIGHT 3601) REFERENCE CP 30807192, 30807206, 30813785, 30823348. PERFORMED LEAK CHECK OF BLEED AIR SYSTEM IN REFERENCE WITH AMM 36-10-00. LEAK CHECKED GOOD AT THIS TIME. REFERENCE CP 30813785 FOR OPERATIONAL CHECKS OF ALL CAIV AND CAIV VALVES.