Suggested for Manufacturing BHM07873 Process Chiller EMO Oberflachentechnik Vaiocs-S 626207: Returned to site in response to possible leak from flare connection at filter drier - System recently started going off on high temp, customer noticed oil from filter drier flare connection - Leak checked system and picked up leak from top flare connection of filter drier. - Isolated drier and pulled small amount of refrigerant - Replaced filter drier as precaution - Straightened pipe, oiled threads and tightened down connections to drier - Pulled vacuum between drier and receiver to 220 microns - Opened valves to system - Leak checked all connections and braze joints again with customer, no hits found - Restarted system and weighed in 7 pounds r404a - System running with 8 degrees subcool and cycling properly System cooling at this time.