As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REFERENCE LOG PAGE 991830. AFTER TAKEOFF THE FLIGHT CREW RECEIVED A WARNING INDICATION THE LG FAILED TO RETRACT. PERFORMED AN AIR TURN BACK & THE ACFT RETURNED TO THE FIELD. PERFORMED AN INSPECTION OF THE NLG PROXIMITY SENSORS 24GA & 25GA & FOUND THE PROXIMITY SENSORS OUT OF CLEARANCE LIMITS. ADJUSTED THE CLEARANCE GAPS OF THE 24GA & 25GA PROXIMITY SENSORS IAW AMM 32-31-73-200-002A & 32-31-73-820-006A. PERFORMED A GEAR EXTENSION & RETRACTION TEST IAW AMM 32-30-00. OPERATIONAL CHECKED NORMAL.