As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BLT/CGS - FLT 5052 - ON TAKEOFF FROM CHARLOTTE, THE NOSE GEAR WOULD NOT RETRACT. AIRCRAFT RETURNED TO CHARLOTTE. NO EMERGENCY WAS DECLARED. AIRCRAFT LANDED WITH NO OTHER PROBLEMS. MAINTENANCE FOUND A BAD GEAR RELEASE VALVE. REMOVED AND REPLACED VALVE. GEAR OPS CHECKED GOOD. (X)