As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SFO - CREW REPORTED ON APPROACH, FLAPS EXTENDED TO LESS THAN FIVE DEGREES. ACCOMPLISHED QRH PROCEDURES AND EXTENDED TO 15 DEGREES WITH ALTERNATE FLAPS. EMERGENCY DECLARED FLIGHT LANDED SFO WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED LEADING EDGE SLAT 6 OUTBOARD SENSOR S1004. SYSTEM GROUND CHECK NORMAL OPERATION.