As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANTS REPORTED A STRONG MOLDY SOCK SMELL THROUGHOUTTHE AIRCRAFT CABIN. THEY REPORTED THE STRONGEST SMELL LOCATION WAS MID TO AFTERNOON CABIN. SMELL WAS VERY PROMINENT ON DEPARTUREAND INITIAL CLIMBOUT. SMELL REDUCED IN INTENSITY AT CRUISE TO AVERY FAINT LEVEL. (OPEN)