As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF NOSE GEAR DOWN & LOCK REMAINED ON. LOWERED GEAR IAW CHECKLIST & GOT 3 GREEN NORMAL INDICATIONS. LANDED ON MAINS, BUT COULD NOT FEEL NOSE GEAR AS WE LOWERED NOSE. ABORTED LANDING & LT GEAR DOWN. FELT A CLUNK & HEARD IT ON CLIMB OUT. PERFORMED BLOW DOWN CHECKLIST & LANDED NORMALLY. R & R NOSE GEAR ACTUATOR, PERFORMED RETRACTION & EXTENSION TEST IAW AMM & SBMEB 91-12.