As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECEIVED GEAR DISAGREE WARNING MESSAGE FOR LT MAIN GEAR. RAN QRH. GEAR DOWN & LOCKED. STRAIGHTENED AND REALIGNED LT UPLOCK SENSOR TARGET, TORQUED AND COTTER PINNED TARGET. PERFORMED EMERGENCY EXTENSION AND NORMAL RETRACTION/EXTENSIONS. OPS CHECKED GOOD.