As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
COCKPIT ODOR - VERY STRONG, ACRID ODOR COMING FROM THE AIR CONDITIONING SYSTEM. REMOVED PRECOOLER TEMP SENSOR AND INSTALLED NEW SERVICEABLE TEMP SENSOR AND PERFORMED OPS TEST OF PRECCOOLER RAM AIR DOOR WITH NO DEFECTS NOTED. ALL MAINTENANCE PERFORMED IAW AMM 36-11-02. TEMP SENSOR REPLACED DUE TO PRECOOLER ACTUATOR REMAINING IN THE EXTENDED POSITION