As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: STRONG MUSTY DIRTY SOCK SMELL, PERSISTED THROUGHOUT FLIGHT STRONG IN BACK BUT DISSIPATED FOR A LITTLE WHILE, BUT CAME BACK VERY STRONG DURING ARRIVAL. FLIGHT ATTANDENT NEEDED TO WEAR MASK. **SUPPLEMENTAL REPORT WILL BE SUBMITTED**(OPEN).