As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOS - FLT 2162 - 'LIFTDUMP UNSAFE' MESSAGE ILLUMINATED ON CLIMB-OUT FROM BOS. THE FLIGHT CONTROLS FELT HEAVY AND ASYMMETRIC. THE FLIGHT RETURNED TO BOS AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE NR 2 AND 3 INLOCK SENSORS AND RIGGED AS NECESSARY. (M)