As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON GEAR EXTENSION RECEIVED "GEAR DISAGREE" MSG FOLLOWED WITH DOWN INDICATION OF THE NLG. FOLLOWED QRH MSG CLEARED AND RECEIVED NORMAL DOWN INDICATION AFTER PULLING THE EMERGENCY EXTEND HANDLE. R & R NLG SELECTOR VALVE IAW AMM 32-33-10.