As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAX INFLIGHT DFW TO PDX - TAIL COMPARTMENT HIGH TEMPERATURE INDICATION IN FLIGHT. CREW SHUT DOWN LEFT AIR CONDITIONING PACK AND LIGHT EXTINGUISHED. LANDED LAX WITHOUT INCIDENT. REPLACED BROKEN LEFT AIR CONDITIONING PACK DUCT CLAMP. SYSTEM GROUND CHECKED NORMAL OPERATION.