As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED SMOKE IN LAV. FIRE DEPARTMENT CALLED PAX DEBOARDED ON THE RAMP. RUNNING THE ENG CAUSES THE CABIN TO SMELL LIKE SMOKE. BORESCOPE TO LT ENG IAW GE MANUAL, FOUND PTO AND NR 3 SEAL OIL SOAKED AND S1, S2, S3 GUIDE VANES OIL STAINED. REPLACED ENGINE.