What was found
FLT#1692, LIR-JFK. (AIRCRAFT DECLARED AN EMERGENCY ) 'HYD GREEN RSVR LOW-LEVEL ECAM IN FLIGHT PERFORMED ECAM AND QRH PROCEDURES HEARD VIBS NOISE; REF LOG PAGE 3370186 ITEM 2 (INSTALLED ENGINE #1 HYDRAULIC PUMP IAW AMM 29-11-51 UP TO SUBTASK 29-11-51-865-052-A) & 3370187 ITEM 1 (ACCOMPLISHED SUBTASK 29-11-51-860-061-A AND SUBSEQUENT REPLACED CASE DRAIN FILTER PER AMM 29-11-43). ALL OPS CHECKS ARE GOOD. PERFORMED PROCEDURE TO PUT THE LANDING GEAR SYS BACK TO THE NORMAL MODE AFTER A FREE FAIL EXT IAW AMM 32-00-00-860-003-A. A/C RETURNED TO ORIGINAL CONFIG. A/C OK FOR CONTINUED SERVICE.'