What was found
FLT 1047 HPN-NAS, AIRCRAFT DIVERTED TO JFK DUE TO ENGINE NR 1 VIB AMBER (4.1) AT HIGHER POWER SETTINGS. PERFORMED FAN BLADE LUBRICATION PER T/C E190-72-21-05-400-801 AND PERFORMED FAN TRIM BALANCE (STANDARD) IAW EMM 72-00-00-760-321, HIGHEST VIB VALUE RECORD 0.4 LP. OK FOR CONT SERVICE.