As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYD 1 LO PRESS MESSAGE ON INFLIGHT. QUANTITY AND PRESSURE AT 0. EXECUTED APPROPRIATE CHECK LISTS. DIVERTED TO GJT. ENGINE DRIVEN PUMP RAN DRY FOR 37 MINUTES. REMOVED AND REPLACED NR 1 HYDRAULIC ENGINE DRIVEN PUMP IAW 29-13-00 DUE TO BEING RAN DRY. REMOVED AND REPLACED NR 1 SYSTEM RETURN LINE DUE TO PIN HOLE IAW 29-11-00. C/W ENGINE RUN AND NR 1 ELECTRIC PUMP. OPS CHECK GOOD, NO LEAKS NOTED. S/N OFF: MX637287 LINE P/N: 601R75286-1