What was found
ACFT EXPERIENCED MODERATE VIBRATION IN CRUISE, FLIGHT CREW FELT VIBRATION WAS FROM NR 2 ENGINE, FOLLOWED SHORTLY AFTER WITH GEN 2 FAIL INDICATION, CREW SHUTDOWN NR 2 ENGINE, FLIGHT DIVERTED FOR NON-EVENTFUL SINGLE ENGINE LANDING. MX REMOVED NR 2 ENGINE STARTER GEN UNIT, FOUND UNIT FAILED, WITH INTERNAL COOLING FAN ASSY CONTACTING GENERATOR SHROUD. STARTER GEN UNIT HAD 305.1 HOURS SINCE O/H, THIS UNIT TBO IS 1000 HOURS.