As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SYSTEM A FAILURE INFLIGHT. FOUND NR 1 ENGINE HYDRAULIC PUMP FAILED (CASE LEAK). REPLACED NR 1 PUMP PER MM 29-11-33 AND CHECKED AND REPLACED NR 1 ENGINE CASE DRAIN FILTER (P/N 7577741) AS PRECAUTIONARY. NO CONTAMINATION FOUND. SERVICED HYDRAULIC SYSTEM, BLED AIR FROM SYSTEM, RESERVICED. RAN ENGINE NR 1 OPS AND LEAK CHECKED NORMAL.