What was found
GEAR DISAGREE MESSAGE ON EICAS, NLG DID NOT DOWN LOCK. EMERGENCY PROCEDURE USED TO EXTEND LANDING GEAR. REPLACED NLG SELECTOR VALVE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
GEAR DISAGREE MESSAGE ON EICAS, NLG DID NOT DOWN LOCK. EMERGENCY PROCEDURE USED TO EXTEND LANDING GEAR. REPLACED NLG SELECTOR VALVE.