As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LANDING GEAR EXTENSION, OBSERVED MLG INDICATIONS NORMAL BUT NLG GREEN "A" SYSTEM INDICATION AND A RED "B" SYSTEM INDICATION. RAN QRH PROCEDURE, DETERMINED THE GEAR WERE DOWN BUT NLG INDICATION PERSISTED. R & R LANDING GEAR MODULE ASSY PERFORMED GEAR SWINGS NO DEFECTS NOTED AT THIS TIME IAW AMM.