What was found
FLIGHT 647 DEPARTED & AT 15000 FT THEY GOT AN ENG 1 OVER SPEED FAULT & THE ENG BEGAN OSCILLATING ON ITS OWN. THE ENG WAS BROUGHT BACK TO IDLE & THE ACFT RETURNED FOR MX. AN EMER WAS DECLARED & THE ACFT LANDED WITHOUT INCIDENT. REPLACED THE NR 1 ENG RT TRANSLATING SLEEVE IAW 78-32-76-400-010A. INSPECTED THE RT TRANSLATING SLEEVE. REPLACED THE 10TH STAGE BLEED VLV & SILENCER IAW 75-32-54-04-01, AS WELL AS THE 10TH STAGE SOLENOID VLV IAW 75-32-53. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO DEFECTS NOTED. SEE AALA201509049010 & AALA201509049011 FOR ADDITIONAL PART INFORMATION.