What was found
DURING APU START WITH THE PACKS ON THE CABIN FILLED UP WITH SMOKE. (FLT 4704) REPLACED LEFT AIR CYCLE MACHINE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING APU START WITH THE PACKS ON THE CABIN FILLED UP WITH SMOKE. (FLT 4704) REPLACED LEFT AIR CYCLE MACHINE.