What was found
HYD SYS A FAILED (W/FLAPS 15) WHILE CONFIGURING TO LAND AT MEM. REPLACED ENGINES NR 1 AND 2 ENGINE DRIVEN HYDRAULIC PUMPS, REF MM29-11-041-2. REPLACED BOTH CASE DRAIN FILTERS. REPLACED SYSTEM "A" HYDRAULIC RETURN FILTER, R/I. REMOVED AND REPLACED SYSTEM A HYDRAULIC PRESS FILTERS. REMOVED AND REPLACED SYSTEM A SPOILER 3 PRESS AND RET LINES IAW SMP. PERFORMED LEAK CK OF ALL CHANGED COMPONENTS. LK CKS GOOD. RAN 12 ENGINES PER JRH CHAP 5 AND PERFORMED OP AND LK CHK OF SYSTEM A ENG DRIVEN PUMPS. OPS AND LK CHECKS GOOD.