What was found
FOUND LEAK FROM BACK SIDE OF STRUT HOUSING. A CONSTANT STREAM APPEARS TO BE COMING FROM BETWEEN BARREL & SWIVEL TUBE. NGL HAS HISTORY OF FLUID & NITROGEN SERVICE. ACCOMPLISHED CHECK OF NLG STEERING, HYD SYS HAS AN INTERNAL LEAK.. LEAKING FLUID SMELLS LIKE HYD FLUID & GREEN HYD QTY LOW. ACCOMPLISHED REMOVAL OF NLG STEERING CYLINDER (EV NLG) FWD & AFT IAW 32-51-42-000-001-C-01. FWD CYLINDER HAD DAMAGED SEALS. VISUAL CHECKED AROUND PISTONS INSURING PISTON EXTERNAL CHAMFER IN CORRECT CONDITION, NO DEFECTS NOTED IAW 32-51-42-400-001-C-01,. CONTINUE FROM SUBTASK 4.(A)(4). INSTALLATION OF SEALS & BACK-UP RINGS ASSY. REINSTALLED & REPLACED SEALS ON FWD & AFT STEERING CYLINDERS & PERFORMED LEAK & OPS CHECK. NO LEAKS & OPS CHECKED GOOD IAW AMM 32-51-42-000-001-C01.