As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOSE GEAR DID NOT RETRACT AFTER TAKEOFF, PERFORMED QRH AND RETURNED FOR SUCCESSFUL LANDING. REMOVED AND REPLACED NLG ELECTRICAL HARNESS IAW AMM 32-61-25. OPS TESTED PROXIMITY SENSOR IAW AMM 32-61-00-710-801. NO DEFECTS AT THIS TIME. NOSE GEAR EXTENSION & RETRACTION COMPLETED IAW AMM 32-33-00. NO DEFECTS NOTED.