As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: DURING TAKEOFF GOT DIRTY SOCK SMELL IN COCKPIT AND CABIN. DECLARED EMERGENCY AND RETURNED TO SAT. EMERGENCY WAS DECLARED. PREFORMED MCM 05-96-70, NO SMELL FOUND. SUSPECT WATER FROM ENGINE WASH TRAP IN AIR DUCT. RAN ENGINES ABOVE IDLE FOR OVER 10 MINS. BOTH ENGINES AND APU OILS CHECKED NORMAL AND NO LEAKS NOTED. AIRCRAFT OK FOR SERVICE.