As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED DURING DESCENT AROUND 14,000 FT THE ODOR OF SMOKE AND FUMES IN COCKPIT FOR ABOUT ONE MINUTE. ALL THREE CREW DONNED O2 MASKS NEVER SAW SMOKE JUST SMELLED IT AND IRRITATED EYES. MX PERFORMED A GVI OF BOTH ENGINES INLETS AND EXHAUSTS FOR OIL LEAKS NO FAULTS FOUND. PERFORMED ENGINE RUNS AND COULD NOT DUPLICATE ODOR OR SIGNS OF SMOKE. ACFT WAS APPROVED FOR RETURN TO SERVICE.