As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LG AIR/GRD FAIL EICAS CLIMBING OUT OF FL180. DID NOT CLEAR. FOLLOWED FIM 32-63-00, CLEANED CONNECTORS AND REPLACED AD TAPE ON ALL MLG WOW SWITCH IAW SWPM 20-50-00. PERFORMED A FUNCTIONAL CHECK IAW AMM 32-63-05 AND OPS TESTED IAW W/C 32-700-16. OPS CHECKED GOOD, NO FURTHER DEFECT NOTED