As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR SELECTED UP AFTER T/O. LG LEVER DISAG. NLG INDICATED RED DASHED BOX. SELECTED GEAR DOWN PER QRH AND HEARD A SHORT GRINDING NOISE IN NLG. LANDED NORMALLY. REMOVED DAMAGED NLG DOWN LOCK SENSOR P/N 80-057-01 S/N 35254 AND INSTALLED NEW SENSOR IAW AMM 32-61-01. OPS CHECK GOOD.