As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON POWER UP AND RESETTING CIRCUIT BREAKER ARCING NOISE AND ASSOCIATED ELECTRICAL ODOR FOUND CAPT VSI/TCAS INDICATOR INOP PULLED AND RESET CIRCUIT BREAKER INDICATOR STILL INOP. CONFIRMED SOURCE OF ELECTRICAL ODOR WAS FAILED CAPTAINS VSI. REMOVED AND REPLACED VSI. OPERATION CHECKS GOOD.