What was found
KIN/MBJ - FLT JM 019 - AIRCRAFT LOST GREEN SYSTEM HYDRAULIC FLUID RESULTING IN MANUAL EXTENSION OF GEARS FOR LANDING. A FAILED PACKING WAS IDENTIFIED AS THE CAUSE. AFTER REPLACEMENT AND RE-SERVICING, AIRCRAFT WAS RETURNED TO SERVICE. NEXT FLIGHT, GREEN SYSTEM LOW LEVEL OCCURRED AFTER GEAR RETRACTION, RESULTED IN AIRCRAFT RETURNING. A LEAK CONFIRMED FROM THE NR 2 ENGINE GREEN SYSTEM ENGINE DRIVEN PUMP. THE AIRCRAFT HAS BEEN REMOVED PENDING PUMP REPLACEMENT. ALL GREEN SYSTEM HYDRAULIC PUMP CASE DRAIN FILTERS CHECKED FOR CONTAMINATION DUE SUSPECTED CAVITATION AND FOUND OK. PRESENTLY AWAITING STRIP REPORT AFTER REPAIR OF DAMAGED PUMP TO ESTABLISH REASON FOR FAILURE. (X)