As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOURTY FOUR MINUTES INTO FLIGHT, A CHEMICAL TYPE ODOR INTENSIFIED. NOTICED COCKPIT SUPPLY TEMP RISING FROM 38 DEGREES FOR THE FIRST TIME OF FLIGHT. ABLE TO CORRELATE THE ODOR INTENSIFYING WITH INCREASES IN COCKPIT PAC SUPPLY TEMPERATURE. THE ODOR DISSIPATED AFTER THE COCKPIT PAC WAS ISOLATED IAW THE ABNORMAL CHECKLIST. R & R BOTH COALESCER SOCKS IAW MM 12-10-01. OPS & LEAK CHECKED GOOD.