As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: ODOR LIKE DIRTY SOCKS DURING DESCENT APPROXIMATELY 5,000 FEET UNTIL JUST BEFORE LANDING IN THE CABIN. IT WAS WORSE IN THE AFT CABIN AND NOT NOTICEABLE ON THE FLIGHT DECK. **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPEN)