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 WOULD NOT RETRACT AFTER TAKEOFF. AIRCRAFT RETURNED TO STATION WITHOUT INCIDENT. AIRCRAFT WAS FERRIED TO FAT. MAINTENANCE ADJUSTED RIGHT MAIN LANDING GEAR RETRACTION JACK AND UPLOCK PROXIMITY SENSOR. SYSTEM OPERATIONAL CHECK NORMAL DURING GEAR RETRACTION CHECK. AIRCRAFT RETURNED TO SERVICE. (M)