As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT ALT 330 GREEN HYD SYS DROP & INDICATED LOW PRESS BELOW RED DOT. PROCEDURES IAW ECAM, ATB & MANUALLY PUT THE GEAR DOWN. WITH GEAR DOWN & LOCKED GREEN SYS RETURNED TO NORMAL. FOUND HYD GREEN SYS LEAK AT PRESS SWITCH 30WW. R & R HYD PRESS SWITCH IAW AMM 32-42-11-04 & TOP GREEN HYD RESERVOIR IAW AMM12-12-29. PRESSURIZED ALL HYD SYS, NO LEAK FOUND. ACFT OK FOR SERVICE.