As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 0551 - IAH - THE RT MLG RED LIGHT REMAINED ILLUMINATED AFTER GEAR WAS EXTENDED ON FINAL APPROACH TO IAH. CYCLING THE GEAR DID NOT HELP. THE GEAR WAS CYCLED AGAIN DURING A 'GO AROUND' AND THE RED LIGHT EXTINGUISHED. IN ADDITION, A VISUAL CHECK CONFIRMED THE GEAR WAS DOWN. THE LANDING GEAR ACCESSORY UNIT WAS REMOVED AND REPLACED AND OPERATION CHECKED GOOD. (M)