What was found
(CAN) PILOT/CREW REPORT OF THE EVENT. LOSS OF NR 1 HYD FLUID. INSPECTION OF EDP AFTER OPERATION WITHOUT SUFFICIENT HYD FLUID C/O IAW AMM 05-54-00-280-801. FOUND EDP PRESSURE INLET LINE AT NR 1 HYD FILTER MANIFOLD LOOSE. LINE TIGHTENED. INSPECTION OF EDP C/O FOUND OVERHEATING AND CRACK IN EDP CASING. VISUAL INSP OF HYD SYS FILTER DPI C/O. FOUND NO DPI POPED-OUT. NR 1 HYD SYS PRESSURE, RETURN AND,CASE DRAIN FILTER ELEMENT REPLACED DUE TO PRESENCE OF METAL PARTICLES. EDP REPLACED IAW AMM 29-11-01-000/400-801. OPS TEST OF EDP C/O FOUND SATIS. SIMPLIFIED FLUSHING OF NR 1 HYD SYS C/O, FULL FLUSHING TO BE C/O WITHIN 10 FH IAW AMM 29-10-00-617-802 DUE NON AVAILABILITY OF GHPU.