As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON GEAR RETRACTION, RECEIVED A NOSE WHEEL DISAGREE & WOULD NOT RETRACT. ACFT RETURNED TO DEPARTURE & EMERGENCY DECLARED. R & R NLG UPLOCK ASSY IAW AMM 32-33-05 AND PERFORMED NLG SWING RETRACTION IAW AMM 32-33-00. OPS CHECKED GOOD. ACFT RETURNED TO SERVICE.