As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUL AIR SMELL COMING FROM AIR CONDITIONING IN CABIN AND FLIGHT DECK THROUGHOUT THE FLIGHT (OILY SMELL). INSPECTED E1, E2 AND APU FOR OIL LEAKS. NO OIL LEAKS NOTED. FOUND DEBRIS IN GROUND AIR INTAKE DUCT. CLEANED AND RAN BOTH PACKS. NO SMELL NOTED AT THIS TIME.