What was found
ON TAKE OFF, EXCESSIVE N1 VIBRATIONS ON LT ENGINE, RETARDED THRUST LEVER TO IDLE ALL ENG PARAMETERS WITHIN LIMITS, ON POST FLIGHT FOUND LT REAR INNER TIRE CAP MISSING WITH EXCESSIVE DAMAGE. R & R NR 6 TIRE IAW MM 32-45-01, ACCOMPLISHED BORESCOPE INSP OF 1P COMPRESSOR STAGES 1 THROUGH 6, NO DEFECTS NOTED IAW AMM 72-00-00, REMOVED AND REPLACED, NR 1 ENGINE FAN BLADE RUB STRIP IAW ENGINE MANUAL 72-34-14.