As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 4997 - ON APPROACH, AFTER SELECTING GEAR DOWN, RECEIVED GEAR DISAGREE WARNING AFTER 8 SECONDS WITH SLOW EXTENSION OF RIGHT MAIN GEAR. WARNING EXTINGUISHED AFTER 5 SECONDS WHEN ALL GEARS WERE DOWN AND LOCKED. MLG AND PRIORITY AND SELECTOR VALVE REPLACED, PROBLEM RECURRED ON JACKS, REPLACED RIGHT MLG UPLOCK ASSEMBLY. NO FURTHER DEFECTS.