As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT ATTENDANTS IN REAR OF AIRCRAFT REPORTED AN ODOR DURING DESCENT AND DURING DEPLANING. ODOR HAD A PUNGENT CHARACTERISTIC WITH MILD IRRITATION. MAINTENANCE REPLACED THE GEARBOX VENT LINE AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.