As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DAL - FLT 4162 - THE CREW REPORTED THAT THE LANDING GEAR WOULD NOT RETRACT. THE AIRCRAFT RETURNED TO DAL WITHOUT INCIDENT WHERE MAINTENANCE RESECURED THE CANNON PLUG ON THE RIGHT MLG SQUAT SWITCH, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (M)