As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG FUME/ODOR IN FLIGHT DECK. PERFORMED CONDITIONAL INSPECTION IAW AMM 05-51-58. UNABLE TO FIND SUSPECTED CAUSE, AND COULD NOT DUPLICATE FUME CONDITION AFTER AIRCRAFT WAS DEBOARDED. AS A PERCAUTION, REMOVED AND REPLACED LT RECIRCULATION FAN IAW MM 21-25-01-404-094. OPS TESTED OK. R & R THE FAN, R & R EQUIPMENT FILTER IAW AMM 21-58-21. PERFORMED PACK BURN, NO ODOR NOTED.