As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMKE/FUME- ON TAXI OUT CREW REPORTED FLIGHT DECK FILLED WITH NOTICEABLE HAZE AND SMOKE. FOUND APU OIL LEAK AT GEN SEAL AND OIL QTY XMTR. REPLACED GEN AND XMTR SEAL. INSPECTED APU BLEED DUCT AND PACK HEAT EXCHANGERS FOR CONTAMINATION, NONE FOUND. CHECKED CABIN LIGHT BALLASTS, COFFEE MAKERS, AND IFE SYSTEM WITH NO FINDINGS. REPLACED CABIN RECIRC FILTERS. PERFORMED HIGH POWER ENGINE RUNS AND DUCT BURNOUT WITH NO SMOKE.