What was found
AFTER TAKEOFF FROM DEN, LANDING GEAR WOULD NOT RETRACT. FLIGHT RETURNED TO AIRPORT AND LANDED WITHOUT INCIDENT. SERVICED NOSE STRUT. OPERATIONAL CHECK OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER TAKEOFF FROM DEN, LANDING GEAR WOULD NOT RETRACT. FLIGHT RETURNED TO AIRPORT AND LANDED WITHOUT INCIDENT. SERVICED NOSE STRUT. OPERATIONAL CHECK OK.