What was found
FLT 107 - OGG - HNL - DURING APPROACH TO HNL, 'A' HYDRAULIC SYSTEM FAILED DUE TO SLOW LOSS OF HYDRAULIC FLUID. QRH PROCEDURES PERFORMED. DECLARED EMERGENCY AND STOPPED ON RUNWAY. AIRCRAFT TOWED TO GATE. REMOVED AND REPLACED NR 6 SPOILER ACTUATOR DUE TO ACTUATOR CASE LEAKING. COMPLIED WITH MM 27-61-51. REMOVED AND REPLACED 'A' SYSTEM CASE DRAIN FILTERS. RUN ENGINE. OPS AND LEAK CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (M)