As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SLIGHT HAZE AND ODOR NOTICED IN MID CABIN AREA DURING CLIMB OUT WITH ALL ENGINE, WING AND TAIL ANTI-ICE ON. BOTH HAZE AND ODOR SUBSIDED WHEN WING AND TAIL ANTI-ICE IS TURNED OFF. FOUND APU OIL LEAK OUT OF PORT NR 2 ON DRAIN MAST. R & R FUELCONTROL ASSY PER AMM. LEAK AND OPS CHECK GOOD R & R COALESER BAGS. RAN ENGINES. NO SMOKE DETECTED IN CABIN.