As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TURN TO FINAL, SMELLED FUMES IN COCKPIT. F/AS COULD NOT SMELL THE FUMES IN CABIN AND COULD NOT DETERMINE THE SOURCE. WHILE TAXIING IN RECEIVED AN EICAS LT PACK TEMP MSG WITH INOP, LT IN LT PACK SW. ODD SMELL COMING FROM FORWARD CHILLER. PULLED AND CLAMPED C/B. REPLACED CHILLER.