As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HIGH N2 VIBRATION READINGS NOTED ON ENG 1.(<P>RAN ENG AND FOUND INDICATION INTERMITTENT. PLACED INDICATION ON MEL 77-31-01-01, MDDR 127716, CAT 'C'. </P><P>LP <SPAN>1131038: </SPAN><SPAN>REMOVED AND REPLACED #1 ENGINE COMPRESSOR REAR FRAME ACCELEROMETER ASSY IAW B767 AMM 77-31-02. OPS CHECKS GOOD. PERFORMED ENGINE RUN PER AMM 71-00-00. N2 VIB INDICATION NORMAL. THIS CLEARS DMMI 127716. DDG PROCEDURES REVERSED TO NORMAL CONFIG. PLACARDS REMOVED.</SPAN></P>)