As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT CONTROL FLAPS LOCKED - WING TIP BRAKE ON. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO BOS WHERE IT LAND SAFELY WITHOUT FURTHER INCIDENT. REPLACED TORQUE SHAFT 6254CM AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 27-54-45