As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONTINUOUS NOSE GEAR VIBRATIONS UPON LANDING. TEARDOWN AND INSPECTION OF NOSE GEAR AXLE BARREL ASSY REVEALED THE NOSE AXLE TO BE WORN BEYOND LIMITATIONS. (2) .005" GROOVES WORN INTO AXLE. (1) ON EACH SIDE WHERE THE AXLE BARREL COVER PLATE SEALS ARE LOCATED. NO WEAR IS PERMITTED AS PER THE OVERHAUL MANUAL. (K)