As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RAMP REPORTS, STRONG VIBRATION FWD CABIN AND LOUDER IN THE FWD CARGO COMP. NOISE AND VIBRATION STOPPED WHEN NORMAL EXHAUST FAN C/B POPPED. NOW HAVE STRONG ELECTRICAL ODOR IN FWD PART OF AIRCRAFT. REPLACED NORM EXHAUST BLOWER. OPS CHECKS NORMAL.