As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: DIRTY SOCK SMELL IN FLIGHT AND ON THE GROUND. **SUPPLEMENTAL REPORT FOR AALA202208015898: ACCOMPLISHED SMOKE ODOR FUME INITIAL TROUBLESHOOTING JOB CARD 26L00021001. APU IDENTIFIED AS ODOR SOURCE. REPLACED APU. CLEANED APU AIR INTAKE PER JOB CARD 26T31049006. ACCOMPLISHED DECONTAMINATION OF THE ENVIRONMENTAL CONTROL SYSTEM PER JOB CARD 26L00021004. ** (CLOSED)