As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYD 4 QTY LOW-ADVISORY, HYD PRESS ENG 4-STATUS, HYD RESVR PRESS 4-STATUS-DURING FLIGHT. WHEN ARRIVED BLEEDING HYDRAULIC FLUID VERIFIED FROM JFK STATION TECHS. SERVICED HYD SYS AS REQ'D DUE TO ENG 4 EDP R & R REF AMM 12-12-01 R114. FOUND ENG 4 EDP HOUSING CRACKED. REMOVED AND REPLACED ENG 4 EDP REF AMM 29-11-05 R114 & AIPC REF 29-11-17-14 R90. OPS & LEAK CHKS NORMAL AMM TASK 71-00-00-705-152-J00 PERFORMED.