As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MLG WOW SYSTEM FAIL EICAS MESSAGE. QRH PROCEDURE DIRECTED US TO DECLARE EMERGENCY AND LAND AT NEAREST SUITABLE FIELD. LANDED WITHOUT INCIDENT. FOUND SENSOR 1 TARGET GAP TO BE OUT OF LIMITS AND BRACKET LOOSE. TIGHTENED BRACKET AND ADJUSTED SENSOR 1 WITHIN LIMITS IAW AMM 32-62-01. OPS CHECK GOOD.