As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#562, SJU-BOS. AN EMERGENCY WAS DECLARED) "HYD: G RSVR LO LVL IN FLIGHT NORMAL LANDING NO OVERWEIGHT MANUAL GEAR EXTENSION ACCOMPLISHED. FOUND LEAK IN #1 ENG DRAIN MAST FOR EDP. REFER TO LP 4296572 ITEM #2 (REMOVED AND REPLACED #1 ENG EDP REF AMM 29-11-51. OPS TEST GOOD.