As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT AROUND 10,000' WE SMELLED AN ODOR SIMILAR TO OZONE OR SLIGHT ELECTRICAL IN THE COCKPIT AND CABIN. THE SMELL CONTINUED ALL THE WAY UNTIL LANDING. AFTER TAXI IN THE SMELL DISSIPATED. REMOVED FAILED LH COOLING TURBINE AND REPLACED WITH REPAIRED COOLING TURBINE. PERFORMED SEVERAL SATISFACTORY OPERATIONAL CHECKS WITH NO DISCREPANCIES TO NOTE AT THIS IAW AMM 21-51-16