As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING EARLY TAKEOFF PHASE OF FLIGHT RETRACTED LANDING GEAR IN TRANSIT THE NOSE GEAR MADE THREE DISTINCT BANGING NOISES. ALSO THE GEAR UNLOCKED LIGHT FLICKERED WITH EACH BANG AS THE NOSE GEAR RETRACTED./////// R/R NLG UPLOCK SWITCH OPS CK GOOD