As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERTED TO BUR WHEN THE LEFT PACK FAILED AND FILLED CABIN WITH SMOKE. OPERATIONAL CHECKED LEFT PACK, LEFT ENGINE HIGH STAGE BLEED SWITCHING SYSTEM, RAM AIR SYSTEM AND PACK FAIL SWITCH WIRING. NO DISCREPANCIES NOTED ANY WHERE. ALL SYSTEMS OPERATE NORMALLY.