As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PASSING 6000 IN THE DESCENT FOR THE ARRIVAL INTO IND, FLIGHT CREW EXPERIENCED A DIRTY SOCK SMELL AND IMMEDIATELY TURNED OFF PACK 1 TO ALLEVIATE THE SMELL. FUMES CONTINUED FOR ABOUT 4 MINUTES AND THEN SLOWLY DISSIPATED. **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPEN)