As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENG 1 LP VIBE 4.0 IN FLIGHT, RAN QRH 6.18. DECLARED EMERGENCY AND DIVERTED TO PHX. LP VIBE IS CONTROLLABLE WITH REDUCED THRUST. SHOOK #1 ENG FAN BLADES. NO BLADES STICKING. CLEANED ACCELEROMETERS AND PERFORMED ENG VIB CHECK IAW LMM 72-00-00. OPS CHK GOOD OK FOR SERVICE.