What was found
DURING LEVEL FLIGHT, GOT LEVEL 1 ALERT "HYD 1 OFF", QUAN NR 1 2.7 & 520 PSI. TWO MINS LATER, HYD 1 QUAN LO, HYD 1R OFF & HYD PUMP 1L OFF AND "HYD 1 FAIL" ALERT. COMPLIED WITH QUH "HYD 1 OFF" AND "HYD 1 FAIL" CHECK LISTS. EXECUTED "NORMAL" LANDING AT HNL. MX TOWED TO RAMP. REMOVED AND REPLACED LEFT OTBD ELEVATOR ACTUATOR IAW MM 37-33-30-4, ACCOMPLISHED R-T-S OF BOTH FCC'S, ACCOMPLISHED AUTOLAND OPS CHECK, ACCOMPLISHED LEACK CHECK, ALL CHECKS CHECK NORMAL.