What was found
FLT 1440, SRQ-CHS, ( EMERGENCY DECLARED). CREW ON F1440 CONTACTED MCC REPORTING ENG 1 VIBRATION AT FL39.0, FOLLOWED BY A HYD EDP 1A FAIL CAUTION EICAS MESSAGE, VIBRATION ECL WAS ACCOMPLISHED & NO CHANGE NOTED. THE CREW DECLARED AND EMERGENCY AND DIVERTED TO CHS, THE LANDING WAS UNEVENTFUL & ACFT TAXIED TO THE GATE UNDER POWER. REMOVED FROM SERVICE. R & R NR 1 ENGINE EDP I.A.W AMP J29-11-01. OPS AND LEAKS CHECKS GOOD.MX IN CHS ALSO R & R BOTH CASE DRAIN FILTER IAW AMP J29-11-46, OPS AND LEAKS CHECKS GOOD.A/C OK FOR SERVICE.TOTAL OOS HOURS 41 HOURS 12 MINUTES SVC CHK IN COMPLIANCE. SYS OPS.