As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOSE WHEEL FAILED TO RETRACT (RED GEAR LIGHT ON WITH 3 GREEN). FOUND THAT THE UPPER BARREL BEARING WAS STIFF, WHILE TURNED. R& R THE UPPER AND LOWER TRUNNION BARREL BEARINGS IAW THE MM CHAPTER 32-20-01. GEAR SWINGS AND TAXI CHECK GOOD. BEARINGS: MS27642-56 AND Y-353QQ5FP515.