As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT GROUNDED DUE TO ISSUE, REFERENCE LP 529545 ITEM 1: ECAM IN FLIGHT FOR HYD RSVR LO LVL. YELLOW HYD SYS PRESSURE PIPE LEAKING. REMOVED AND REPLACED YELLOW HYD SYS PRESSURE PIPE. REF AMM 29-13-49-000-813-A/ 29-13-49-400-813-A. OPS LEAK CHECK GOOD. T/R CYCLING OK.