As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RETURNED & ACFT WAS GROUNDED. AFTER TAKEOFF THE CREW RECEIVED A MESSAGE THAT THE WING TIP BRAKE LOCKED WITH THE FLAPS & SLATS AT ZERO. THE ACFT RETURNED & DECLARED AN EMER. THE ACFT LANDED WITH NO INCIDENT & TAXIED TO THE GATE. MX REPLACED THE LT HYD MOTOR VALVE CONTROL BLOCK & BRAKE PRESSURE MODULE. ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK IAW AMM 27-84-54-400-002-A.