As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON LANDING, GEAR EXTENSION NLG HAD RED HATCHED BOX INDICATION. FOLLOWED QRH PROCEDURE AND WAS ABLE TO GET 3 GREEN DOWN AND LOCKED INDICATIONS. REPLACED THE NLG WOW HARNESS WITH NEW HARNESS IAW CMP 322015. CARRIED OUT NLG DOWNLOCK & STEERING SWITCH ADJUSTMENTS AND GEAR/STEERING OPS CHECK IAW MM 32-20-21 AND 32-60-10. ALL TEST WERE GOOD. SERVICED HYDRAULIC RESEVIOR AS REQUIRED.