As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOSE GEAR STEERING SHAFT ASSY CRACKED 75 PERCENT AROUND AT HOLE FOR SHIMMEY DAMPENER ARM ROLL PIN. CRACK NOT VISIBLE UNTIL PART WAS COMPLETELY REMOVED. ONLY EVIDENCE OF PROBLEM WAS LOOSE ROLL PIN. SUBMITTER RECOMMENDS REGULAR INSPECTION OF ROLL PINS FOR LOOSENESS.