What was found
SEA- SMELLED SMOKE IN THE CABIN WHEN BOARDING THE AIRCRAFT. LAVATORY SMOKE DETECTOR WENT OFF. UPON INSPECTION, FOUND APU ALLOWING OIL INTO BLEED SYSTEM. COMPLIED WITH BLEED AIR SYSTEM CHECK. AIRCRAFT RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SEA- SMELLED SMOKE IN THE CABIN WHEN BOARDING THE AIRCRAFT. LAVATORY SMOKE DETECTOR WENT OFF. UPON INSPECTION, FOUND APU ALLOWING OIL INTO BLEED SYSTEM. COMPLIED WITH BLEED AIR SYSTEM CHECK. AIRCRAFT RETURNED TO SERVICE.