As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG FUMES FROM LEFT PACK ON CLIMBOUT BELOW 12,000 AND ON DESCENT 12,000 TO LANDING FUMES SMELLED LIKE OIL OR ENG EXHAUST ODOR ISOLATED TO FLIGHT DECK AREA ONLY. NO ODOR NOTED IN CABIN. BOTH ENGINES NEEDED NO OIL SERVICING. BOTH OIL QTY OK, FWD LT PACK TO MCO/PLAC PER MEL 21-51-01. LEFT PACK INOP.