What was found
FLT 224, LAX-JFK. (ETOPS) ENGINE NR 2 N1 VIBRATION ECAM INTERMITTENT THROUGH OUT FLIGHT VALUEVARIED BETWEEN .2 AND 10.0 FOR 5-10 SECONDS AT A TIME ; UPON INSPECTION FOUND N1 AFT SENSOR HARNESS CHAFED. R & R AFT N1 SENSOR IAW AMM 77-32-22. NO DEFECTS NOTED. PEROMED ENG RUN IAW AMM 71-00-00, VIB N1 INDICATION NORMAL. VIB N1 0.0, 0.1 , A/C OK FOR CONT SVC."