What was found
HAD AN UNEVENTFUL FLIGHT UNTIL AT 0327Z, AIRMAN INDICATED 2 ECAM WARNINGS - HYD Y ENG2 PUMP LO PR AND HYD RSVR LO LVL AT APPROX FL180. AIRMAN THEN INDICATED AN ADDITIONAL ECAM WARNING AT 0328Z OF HYD Y SYS LO PR. THE CREW DECLARED AN EMERGENCY, FOLLOWED APPROPRIATE PROCEDURES AND ACCOMPLISHED AN UNEVENTFUL LANDING AT 0352Z. A TOW TEAM AND LINE MX MET THE ACFT, PREPARED FOR AND ACCOMPLISHED A TOW BACK TO GATE. UPON INSP, FOUND RT ENG HYD LINE CONNECTED TO PRESSURE SWITCH 1074GK WITH A PIN HOLE UNDERNEATH A CLAMP. THE DAMAGED LINE, PN 112441-507, AND CLAMPS WERE REPLACED IAW AMM 29-11-17. DURING THE LEAK CHECK OF THE YELLOW SYS, THE POWER TRANSFER UNIT, PN 4101002-11 WAS FOUND LEAKING. THIS UNIT WAS ALSO REPLACED IAW AM 29-23-41. ALL LEAK CHECKS SATISFACTORY. THE INSP REVEALED NO FURTHER DEFECTS.