As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SFO - RIGHT MAIN LANDING GEAR RED INTRANSIT LIGHT REMAINED ILLUMINATED FOLLOWING GEAR RETRACTION. AIRCRAFT FERRIED TO FAT FOR REPAIRS. MAINTENANCE ADJUSTED RT MAIN LANDING GEAR UPLOCK PROXIMITY SENSOR. LANDING GEAR OPERATION AND POSITION INDICATIONS NORMAL DURING GROUND TEST. AIRCRAFT RETURNED TO SERVICE. (Z)