What was found
UNSCHEDULED LANDING FOR R ENGINE FAN VIBE 1.8 IN AMBER CAUTION RANGE AT FL 300. RAN QRH. BROUGHT IT BACK TO NORMAL WITH THRUST MANAGEMENT. PERFORMED FAN BLADE TANG LUBE ON RT ENGING IAW AMM 72-21-02. OP CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
UNSCHEDULED LANDING FOR R ENGINE FAN VIBE 1.8 IN AMBER CAUTION RANGE AT FL 300. RAN QRH. BROUGHT IT BACK TO NORMAL WITH THRUST MANAGEMENT. PERFORMED FAN BLADE TANG LUBE ON RT ENGING IAW AMM 72-21-02. OP CHECK GOOD.