What was found
LAX - IMMEDIATELY AFTER TAKEOFF NUMBER ONE ENGINE VIBRATIONS INTO YELLOW BAND AND WAS VERY LOUD. WHEN POWER PULLED BACK VIBRATIONS REDUCED. REPLACED NUMBER 1 ENGINE. SYSTEM GROUND CHECKED NORMAL OPERATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LAX - IMMEDIATELY AFTER TAKEOFF NUMBER ONE ENGINE VIBRATIONS INTO YELLOW BAND AND WAS VERY LOUD. WHEN POWER PULLED BACK VIBRATIONS REDUCED. REPLACED NUMBER 1 ENGINE. SYSTEM GROUND CHECKED NORMAL OPERATION.