What was found
(CAN) DURING CLIMBOUT THRU FL23, FELT AND HEARD VERY NOTICEABLE RUMBLE FROM NR 1 ENGINE LP VIBREATION DURING CLIMB WERE BETWEEN 3.7-3.9 AND IN CRUIZE BETWEEN 2.6-3.0. FOUND TURBINE BLADES MISSING AND BENT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) DURING CLIMBOUT THRU FL23, FELT AND HEARD VERY NOTICEABLE RUMBLE FROM NR 1 ENGINE LP VIBREATION DURING CLIMB WERE BETWEEN 3.7-3.9 AND IN CRUIZE BETWEEN 2.6-3.0. FOUND TURBINE BLADES MISSING AND BENT.