As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#615, JFK-SFO. (AIRCRAFT DECLARED AN EMERGENCY INTO SFO) 'F/CTL SLATS FAULT; REMOVED & CLEANED SLAT PCU VALVE BLOCK FILTERS FOR POSSIBLE BLOCKAGE AND INSTALLED FILTERS AS REQUIRED. OPERATE FLAP / SLAT SEVERAL TIMES OPS CHECK GOOD NO FAULT NOTED REF AMM 27-81-00-810-811-A. A/C OK FOR SERVICE.'