As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR HANDLE WOULD NOT COME UP AFTER TAKEOFF. LANDING GEAR INDICATIONS REMAINED 3 GREEN AND NO RED. BURNED DOWN FUEL TO MAX LANDING WEIGHT AND LANDED UNEVENTFULLY AT THE DEPARTURE AIRPORT. TROUBLESHOT THE NLG STRUT SQUAT SWITCH. R & R, WORK DONE IAW MM 32-60-00. OPS CHECKED SATISFACTORY.