As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 3054 - AFTER TAKEOFF THE AMBER LIGHT REMAINS ILLUMINATED AFTER GEAR RETRACTION. PERFORMED QRH. AIR TURNBACK TO MSP. MAINTENANCE FOUND UPLOCK SWITCH ON NOSE GEAR DIRTY. CLEANED SWITCH AND PERFORMED GEAR SWINGS IAW SF340 MM CH 32-30-00. OPS CHECK GOOD. (M)