As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURNBACK. FLIGHT CREW REPORTED SHOCK ABSORBER FAULT AND RETRACT SYSTEM FAULT. AIRCRAFT RETURNED TO BNA AND LANDED WITHOUT INCIDENT. THE NOSE STRUT WAS SERVICED AND FOUND TO BE DRIPPING 1 DROP OF FLUID PER 4 MINUTES (WITHIN LIMITS). GEAR DOWN FERRY FLIGHT WAS ACCOMPLISHED TO DEN. UPON ARRIVAL IN DEN, REPLACED NLG SHOCK ABSORBER AND CHECKED GOOD PER AMM 32-21-13.