What was found
ON CLIMB THROUGH FL300 ECAM WARNING ENG 1 N2 OVER LIMIT, THERE WAS NO INDICATION OF N2 OVER LIMIT NO RED TICK WAS VISIBLE AND ENG PARAMETERS WERE NORMAL;, REDUCED POWER TO IDLE AND ELECTED NOT TO SHUT DOWN ENGINE RETURNED TO FLL, OVER WEIGHT LANDING. PERFORMED TSM 31-53-00-810-868, REMOVED AND REPLACED FWC NR 1 AND 2 DUE TO PARTS AVAILABILITY IAW MM 31-53-34, OPS CK GOOD. REMOVED AND REPLACED NR 1 ENG EEC PRECAUTIONARY IAW MM 73-22-34-04. PERFORMED IDLE RUN-UP AND OPS CK OF FADEC SYS IAW MM F73-22-00, NO FAULTS NOTED ALL PARAMETERS NORMAL.