What was found
TOTAL LOSS OF HYD SYS A IN FLT FOUND A SYS HYD RETURN LINE BROKEN JUST O/B OF NR 3 SPOILER, ADDED MPN 65-17840-492, CPN 0029943 QTY 1 TUBE AY MSN 1018327 MANUFACTURE HYD LINE O/B OF NR 3 SPOILER REF 727-200 MM 20-10-005-8. INSTALLED SAME. NEEDS LEAK CK. INSPECTION REMOVED AND REPLACED BOTH NR 1 AND NR 2 ENG CASE DRAIN FILTERS PER MM 29-11-041, CASE DRAIN FILTERS LEAK CK GOOD. PERF LEAK CK OF LINE. NO LEAKS NOTED. EXERCISED ALL DOORS, FLT CTLS ETC AND SERV HYD. OPS CK/LEAK CK IS GOOD. SWUNG GEAR, REQUIRED SERV AND TOPPED OFF HYD FLUID. SERVICED HYD SYS, RAN NR 1 AND NR 2 ENGS, CKD CASE DRAIN FILTERS, NO LEAKS NOTED. PER JRH AND SMP.