As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PIT - FLT 1712 - AFTER TAKEOFF, NOSE GEAR WOULD NOT RETRACT. CREW RECYCLED GEAR TO NO AVAIL. FLIGHT RETURNED TO PIT AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE NOSE LANDING GEAR PISTON ASSEMBLY AND PERFORMED A GEAR SWING. ALL CHECKED NORMAL. (M)