As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 1896 - IAH - THE GEAR DOOR OPEN LIGHT ILLUMINATED WHEN GEAR WAS RETRACTED AFTER TAKEOFF FROM PHX. THE AIRCRAFT WAS RETURNED TO PHX WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE RIGHT MLG DOOR PROXIMITY SENSOR IAW MM 32-60-05, PAGE 212. OPERATION OF THE GEAR DOOR OPEN LIGHT WAS RESTORED TO NORMAL. (M)