As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1475 - PHL-DTW - ON DESCENT INTO DTW RECEIVED AN UNSAFE GEAR INDICATION WARNING AT FL 010. NOSE GEAR DID NOT COME DOWN. CREW DID A GO AROUND AND RECYCLED THE GEAR. LANDING GEAR OPERATED NORMALLY AFTER RECYCLE. NO EMERGENCY DECLARED AND FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE LUBED NOSE GEAR ASSEMBLY, CLEANED SENSORS AND CHECKED TARGET GAPS. PERFORMED SEVERAL GEAR SWINGS. ALL OPERATIONS CHECKED NORMAL. (M)