As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PIT FL 1286 UPON GEAR RETRACTION, THE NOSE GEAR RED LIGHT REMAINED ILLUMINATED. THE QRH PROCEDURE WAS FOLLOWED (SELECT GEAR DOWN), AND THE CREW RECEIVED THREE GREEN INDICATIONS. FLIGHT RETURNED AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE SWUNG THE GEAR WITHOUT ANY ABNORMALITIES. A GEAR LUBRICATION WAS PERFORMED.