What was found
DURING FLIGHT WE HAD ECAM "HYD Y ENG 2 PUMP LO PR" FOLLOWED BY ECAM "HYD Y RSVR LO LVL, RAN ECAM + QRH PROCEDURES. FOUND HYDRAULIC LEAK AT YELLOW SYS PTU MANIFOLD FIN 3015GM. O-RING UNDER REDUCER REPLACED, REF AMM 29-13-15-400-001-A. YELLOW SYS SERVICED, REF AMM 12-12-29-611-001-A. PUMP INSP PERFORMED NO FAULTS NOTED, REF TSM 29-13-00-810-801-A AND AMM 29-00-00-280-006-A01. PTU AND HYDRAULIC SYS OPS CHECKS GOOD WITH NO FAULTS OR LEAKS NOTED, REF AMM 29-23-00-710-004-A. A/C OK FOR RTS.