What was found
AT CRUISE LEVEL 300 SMELLED FUMES IN THE COCKPIT PERFORMED CHECKLIST CLEARED EMERGENCY AND LANDED IN IND. ACCCOMPLISHED CONDITIONAL INSPECTION PER MM 05-51-56-202. PERFORMED TROUBLESHOOTING PER FIM 21-00-01/801. INITIALLY FOUND OIL SMELL IN COCKPIT WHEN LEFT ENGINE WAS STARTED AND LEFT PACK OPERATED , SMELL DECCIPITATED AFTER A FEW SECONDS . CONTINUE TROUBLESHOOTING PROCEDURE PER FIM 21-00-01/301 RAN ENGINE AT TAKEOFF POWER PER AMM71-00-00 TEST 13. NO FUMES NOTED IN COCKPIT DURING ENGINE RUN. REVERSED DMP PERFORMED AMM 21-00-01-201 NO ODOR FOUND. PLACARD REMOVED