As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APPROX 30 SECS AFTER GOING TO FLAPS 30. TOTAL LOSS OF A HYDRAULIC SYSTEM. ALTERNATE FLAP SYSTEM USED TO RAISE FLAPS TO 15. GPWS SYSTEM INHIBITED. PER CREW DEBRIEF, BOTH HYDRAULIC PUMPS WERE SHUT OFF IMMEDIATELY AFTER PRESSURE LOSS. FOUND NR 1 ENG DRIVEN HYD PUMP CRACKED. REMOVED AND REPLACED NR 1 ENG DRIVEN HYDRO PUMP AND HYD CASE DRAIN. FILTER MANIFOLD ASSY REF M/M 29-11-033-4 AND M/M 29-11-041-2. SERV HYDRO.