What was found
AT GATE WITH APU AND PACKS ON, A SLIGHT HAZE AND SMOKE ODOR IN CABIN. FOUND UTILITIES BUSS IN OFF POSITION AND RECIRC FANS OFF. RESET SYSTEM AND TURNED PACKS ON, NO SMELL OR HAZE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AT GATE WITH APU AND PACKS ON, A SLIGHT HAZE AND SMOKE ODOR IN CABIN. FOUND UTILITIES BUSS IN OFF POSITION AND RECIRC FANS OFF. RESET SYSTEM AND TURNED PACKS ON, NO SMELL OR HAZE.