As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: AN EMERGENCY WAS DECLARED ON APPROACH INTO BOS DUE TO A FLIGHT CONTROL FLAPS LOCKED WING TIP BRAKE ON. THE AIRCRAFT LANDED AT BOS WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED WING TIP BRAKE SOLENOID VALVE 33CVB PER AMM 27-51-51 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL TEST WITH NO FAULTS NOTED.