What was found
PDX - ON DOING DAILY CHECKS, PERFORMED PTU TEST AND LOST ALL HYD ON THE NR 2 SYSTEM. HYDRAULIC FLUID IS ALL OVER ROWS 3/4/5 SEATS. ENGINE SHUTDOWN WITH IN 1 MIN. REPLACED CRACKED NOSE GEAR DOWN LINE, CHECK GOOD. PERFORMED EDP HYD FLUID LOSS INSP IAW MM 05-50-33-280-801, NO DEFECTS. CLEANED AIRCRAFT AND INSTALLED NEW SEAT COVERS, OVERHEAD BINS, PSU'S, AND OTHER INTERIOR EQUIPMENT AS REQUIRED. RETURNED TO SERVICE.