As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG UNUSUAL ODOR WHEN PACKS WERE SWITCHED OFF FOR TAKEOFF. ODOR NOTICEABLE IN THE COCKPIT AND CABIN. ODOR DISSIPATED VERY QUICKLY. MAINTENANCE PERFORMED APU SYSTEM CHECK. NO OIL EVIDENT NOTED IN APU BLEED DUCT. RAN BOTH PACK WITH APU BLEED NO UNUSUAL ODORS NOTICED IN CABIN. SYSTEM OPERATION IS NORMAL.