What was found
NR 1 ENG HIGH VIB STARTED AT 2.5, THEN UP TO 4.0, NORMAL AT IDLE. VIBS FELT IN FLT DECK, NR 1 ENG SHUTDOWN AT FL 310. LANDED WITHOUT FURTHER INCIDENT. FOUND FAIRING ATTACHMENT AT SPINNER BROKEN. REPLACED SPINNER AND FAIRING, CKD CHIP DETECTORS, BORESCOPED 7TH STAGE IPC, 1ST STAGE HPT. REPLACED OIL FILTER LUBED FAN, RAN PER PFHB TEST 11 AND CKS GOOD.