As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUL SMELL IN COCKPIT AND CABIN ON TAKEOFF AND CLIMBOUT(DIRTY SOCK/ OILY SMELL. PERFORMED ALL ASSOCIATED TASKS IAW FIM 21-20-00-810-803-A & MRF 19-0025. NO DEFECTS NOTED EXCEPT #2 HEAT EXCHANGER CONTAMINATED (REF. W.O. 2759807) ALL OPS CHECKS GOOD. A/C OK FOR SERVICE.