As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG SMELL OF OIL FILLED COCKPIT AND CABIN ON APPROACH WITH POWER PULLED BACK LESS THAN 10 PERCENT IN ATTEMP TO ISOLATE THE SOURCE. IT APPEARS TO BE COMING FROM THE NR 1 PACK/BLEED AFTER FOLLOWING APPROPIATE CHECK LISTS. DURING BOROSCOPE INSPECTION OF L/H ENGINE INLET FOUND NUMEROUS LP IMPERLLER VANES DAMAGE. REMOVED AND REPLACED LT ENGINE IAW W/C EX-72-RAI-001.