As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE ODOR EVENT. THE AIRCRAFT WAS GROUNDED. FOUND TH ESOURCE OF THE ODOR TO BE APU. APU BLEED AIR ON LOW PRESSURE FROM AIR OUTLETS, WHILE STRONG ODOR OF OIL. ACCOMPLISHED JC 26L0021001 AND NO ODORS REMAIN IN AIRCRAFT CABIN OR COCKPIT. OK FOR SERVICE.