As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECEIVED A GEAR DISAGREE WARNING MESSAGE. COMPLIED WITH QRH & SUCCESSFULLY LOWERED LANDING GEAR. FLT#6192 REPOSITIONED SAFETY WIRE & RECONNECTED NOSE GEAR DOOR SELECTOR VALVE CANNON PLUG IAW AMM OPERATIONS CHECK OF NOSE GEAR DOORS GOOD AT THIS TIME. COMPLIED WITH REPEATED EXTENSION/RETRACTION CYCLES OF LANDING GEAR. OPERATIONS CHECKED GOOD.