What was found
SUDDEN HIGH ENGINE VIBRATION ON #1 ENGINE. 5.0 VIBES PASSING 16;000 FT. NOTICEABLY HIGH AIRFRAME VIBRATION AND RUMBLING NOISE FOLLOWED BY SOURCE OFF AND GEN OFF BUS LIGHT. SLIGHT ODOR AS WELL THAT DISSIPATED QUICKLY. REDUCED THRUST TO MAINTAIN 3.6 VIBES. ALL OTHER ENGINE INDICATIONS NORMAL. DID NOT LAND OVERWEIGHT / [01] REMOVED AND REPLACED #1 ENGINE ON MT 771-00-01. SEE MT FOR ALL COMPLETED WORK AND SIGN-OFFS.;[02] VERIFIED;[03] VERIFIED