What was found
G HYD RSVR LO LEVEL WITH OBSERVED QTY LOSS ON ECAM - TOMC KROWN YELLOW ELEC AND PTU OK, REQUIRES DRY MOTOR LEAK CHECK. FOUND ENGINE PUMP PRESSURE SWITCH FIN. 1074GK LEAKING , REMOVED AND REPLACED ENGINE PRESSURE WITH MFG PN 450-1-3100-00 M&E 31-2911-3-0011 IAW AMM 29-11-17-400-010A UP TO TEST C. (OPERATIONAL TEST OF GREEN SYS) . LEAK CHECK WITH METER, GREEN SYS SERVICED REF MT 29-004. GREEN SYS SERVICED REF MT 29-004. REFERENCE 7355946 REQUIRES DRY MOTOR LEAK CHECK REF AMM 71-00-00-710-045-A DUE TO PRESSURE SWITCH 1074GK REPLACEMENT. PERFORM DRY MOTOR LEAK CHECK REF AMM 71-00-00-710-045-A #1 ENG WITH ASSISTANCE FROM FLIGHT CREW TO RUN ENGINES, ACCOMPLISHED DRY MOTOR WITH CREW, OPS CK GOOD,LEAK CHKD GOOD.