As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE RUNNING THE APU BLEED THERE IS A STRONG ODOR IN THE CABIN. TS APU FOR SOUCE OF ODOR/OIL LEAKS. ACCOMPLISHED AMM 21-00-01-002-001 REMOVAL OF OIL CONTAMINATION FROM THE AIR CONDITIONING AND PNEUMATIC SYSTEMS. RAN PACK FOR SEVERAL HOURS. ODOR IS NO LONGER PRESENT FROM PACKS