As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT ATTENDANT REPORTS A DIRTY-SOCK ODOR IN THE CABIN STARTINGAT 10,000 ON DECENT, NO ODOR NOTED IN COCKPIT. MAINTENANCE FOUND NR 1 ENGINE OIL TANK BREATHER TUBE LEAKING AND REPLACED OIL TANK BREATHER TUBE O-RING PER AMM 79-11-41. AIRCRAFT WAS GROUNDED.