What was found
HIGH VIBRATION, NUMBER TWO ENGINE. TROUBLESHOT PROBLEM PER 767-200 MM 71-05-00, PAGES 120 TO 121. REPLACED OIL FILTER, LOOKED AT MAGNETIC CHIP DETECTORS, CHECKED ENGINE INLET AND EXHAUST FOR DAMAGE OR METAL FRAGMENTS. PERFORMED A HIGH POWER ENGINE RUN AND NO PROBLEMS FOUND. MAXIMUM VIBRATION DURING HIGH POWER RUN WAS 0.5 MILS AT 1.4 EPR, LIMIT IS 5.0 MILS. PROBLEM HAS NOT BEEN DUPLICATED SINCE ORIGINAL WRITE-UP.