As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER STARTING APU & TRANSFERRING PACKS TO APU BLEED, STARTED TO SMELL SMOKE, OIL SMELL FOLLOWED BY SMOKE TOILET CAUTION MSG. TRANSFERRED BACK TO ENG BLEEDS SMELL CLEARED ALONG WITH CAUTION MSG. COMPLIED WITH CM ACTION. PLACARDED & PLACED ON MEL, PLACED APU ON MEL 49-10-01-01.