As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR INTERRUPT, EMER DECLARED. LANDING UNEVENTFUL & ACFT OVERWEIGHT. DURING CRUISE, LT ENG VIBRATION INCREASED TO 4.1 AFTER 30 MINUTES OF FLIGHT. BRINGING THROTTLE TO NEAR IDLE BROUGHT INDICATIONS IN LIMITS. RECEIVED EICAS MSG, L ENG VIB, L ENG BB. FOUND SPINNER SEALS DISBONDED FROM SPINNER. R & R SPINNER IAW AMM 72-35-01. PERFORMED VIBRATION SURVEY TEST IAW AMM 71-00-00. SYS CHECKED NORMAL.