What was found
AIR TURNBACK FOR SMOKE IN CABIN AND AFT LT LAV SMOKE DETECTOR SOUNDING. FOUND OIL IN HIGH PRESSURE COMPRESSOR OF NR 2 ENGINE. REMOVED AND REPLACED ENGINE. REPLACED SMOKE DETECTOR AS NO SMOKE WAS NOTED IN CABIN ONLY OIL SMELL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR TURNBACK FOR SMOKE IN CABIN AND AFT LT LAV SMOKE DETECTOR SOUNDING. FOUND OIL IN HIGH PRESSURE COMPRESSOR OF NR 2 ENGINE. REMOVED AND REPLACED ENGINE. REPLACED SMOKE DETECTOR AS NO SMOKE WAS NOTED IN CABIN ONLY OIL SMELL.