As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TURNING ON PACKS HAD SMOKE IN CABIN, SEEMED TO COME OUT OF BOTH PACKS. MAINT FERRY A/C TO PHX. FOUND LEFT HYD SYS OVERSERVICED AND DRAIN BOTTLE FULL, FLUID INGESTED BY APU. PERFORMED DUCT BURN OUT PER MM AND REPLACED WATER SEPARATOR BAGS.