As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WEIGHT ON WHEELS LIGHT ILLUMINATED AND STAYED ON UNTIL GEAR EXTENDED FOR LANDING. PERFORMED PSEU TEST FOUND NLG WOW TARGET FAULT. INSPECTED NLG WOW SENSOR AND TARGET, FOUND TARGET TO BE MISSING. REPLACED TARGET IN ACCORDANCE WITH COMPONENT MAINTENANCE MANUAL 32-20-01 AND ADJUSTED SENSOR GAP AND SAFTIED IN ACCORDANCE WITH MAINTENANCE MANUAL 32-20-11, OPS CHECK GOOD AND CLEARED FAULTS FROM PROXIMITY SENSOR ELECTRONIC UNIT.