As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIRTY SOCK SMELL ON DEPARTURE DURING CLIMB. SMELL DISSIPATED AT CRUISE. C/W WORK CARD 0550-2001 ISOLATE SMOKE AND FUMES IN COCKPIT/CABIN . NOTE : #1 ENG ON MEL 36-12-00A. PRSOV AND HPV LOCKED CLOSED. NO FINDINGS NOTED. #1 ENG SUSPECTED SOURCE. C/W A220 EFIM SOLUTION ID 1-8449 ELIMINATION OF ODORS. R/R OF RECIRC FILTERS REF AMP A220 BD500-A-J21-22. (LP# 6562832)