What was found
AIRCRAFT WAS NOT GROUNDED: FLIGHT CREW REPORTED FUEL, LEFT PUMP 2, LOW PRESSURE ON ECAM AT CRUISE ALTITUDE. FUEL SYS RETURNED TO NORMAL AND ECAM CAUTION WENT AWAY AFTER 15 MINUTES. MAINTENANCE ACCOMPLISHED A PURGE OF THE PRESSURE SWITCH FEED LINE OF THE MAIN AND STANDBY FUEL PUMPS IAW TSM 29-21-00-810-852 AND AMM TASK 28-21-00-170-801-A, 2 GALLONS OF FUEL WAS REMOVED FROM LEFT ENGINE. A SATISFACTORY OPS CHECK WAS ACCOMPLISHED.