As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE VIBRATION AT TAKEOFF ROTATION FOLLOWED BY A BANG AT ROTATION. COMPRESSOR STALL REPORTED BY ANOTHER AIRCRAFT. EXCEEDENCE WENT AMBER TO 5.3 ON CLIMB & 4.4 IN CRUISE AT 10K FT, VIBRATION NOTICABLE IN CRUISE WITH ENGINE & WING ANTI-ICE ON & IGNITION OVERRIDE, ENGINES WERE DE-ICE & ANTI-ICE IN GATE FOLLOWED 30 SECOND RUN UP ON RUNWAY. DUE TO TAKEOFF COMPRESSOR STALL ABOVE 1.25 EPR THIS ENGINE IS APPROVED FOR REMOVAL PER PP/ENGINEERING. COMPLETED ENGINE CHANGE 1/1/05.