As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE PILOT REPORTED ON DESCENT A SLIGHT ODOR WHEN THE AIR CONDITIONING WAS ON AFTER SEVERAL MINUTES. THE ODOR DISSIPATED QUICKLY WHEN THE AIR CONDITIONING WAS TURNED OFF. THE PILOT LANDED AS SOON AS PRACTICLE WITHOUT ANY FURTHER ISSUES. THE ACFT WAS INSPECTED BY THE MECHANIC, AND THE AFT EVAPORATOR BLOWER FAN ASSY WAS FOUND TO BE SUSPECT. THE SYS HAS BEEN DEFERRED WITH THE AFT EVAPORATOR BLOWER ASSY ON ORDER.