As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED. FLIGHT CREW REPORTED THAT WHILE DESCENDING THROUGH 200000 FEET, VIDEO SCREENS IN ECONOMY WERE BLINKING ON AND OFF AND F/A`S DETECTED AN ODOR RESEMBLING DIRTY SOCKS. POWER TO VIDEO SYSTEM WAS SHUTDOWN AND AN EMERGENCY WAS DECLARED. THE AIRCRAFT LANDED SAFELY WITH NO FURTHER INCIDENT. MAINTENANCE REPLACED THE NR 2 CONTENT SERVER UNIT AND ACCOMPLISHED A SATISFACTORY OPS CHECK IAW AMM 23-32-00.