As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 2473 - EWR - FLIGHT CREW REPORTED LG AIR/GND FAIL MESSAGES POPS UP EVERY TIME GEAR IS SET TO DOWN POSITION. MESSAGE GOES AWAY AFTER FEW SECONDS. EWR MX REMOVED AND REPLACED NR 1 AND NR 2 NOSE GEAR DOOR ACTUATOR, AND LGEU. MX PERFORMED OPERATIONAL CHECK SUCCESSFULLY. SDR C2XA11RI065 REPORTS ACTUATOR POS 1; SDR C2XA11RI066 REPORTS ACTUATOR #2, AND C2XA11RI067 REPORTS LGEU.