As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTS SMELL IN FLIGHT DECK AT TAKE-OFF FOR 5 MINUTES. (NOTE: OIL SVC'D IN BOS. OIL PUDDLE UNDER ENGINES). BOROSCOPED NR 1 ENGINE HPC STAGE 1 AND 2. NO OIL WETTING NOTED. REPLACED OIL TANK CAP. FOUND APU COMPARTMENT OIL SOAKED. REMOVED AND REPLACED APU, CABIN RECIRCULATION FILTERS AND OZONE CONVERTERS.