What was found
STRONG OIL COMBUSTION ODOR WITH THE ENGINE BLEEDS DRIVING PACKS. DIMINISHED DURING CRUISE, STRONG AGAIN AT LOW IDLE THRUST, DURING DECENT. DIMMINISHED WITH INCREASED THRUST. STRONGER BEFORE SHUTTING DOWN AFTER NR 1. TROUBLESHOT IAW FIM 72-00-00-810-814. PERFORMED ETN-EM-79-015. INSPECTED 1ST TO 3RD STAGE LPT BLADES AND RTBS AND FOUND OIL WETNESS AND SIGNS OF PUDDLING. ETN EM-79-015 STEP 13 SUGGESTS ENGINE CHANGE REQUIRED. LPT INSPECTION DONE IAW 72-51-00-06 AND 72-41-01-200-801A. REMOVED AND REPLACED THE LT ENGINE IAW WC 71-000-00, OPS & LEAK CHECKED GOOD