As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUPPLEMENTAL BAGG SMOKE EICAS WARNING DURING TAXI. CFR SAID THEY SMELLED BURNING ELECTRICAL SMELL COMING FROM CARGO COMPARTMENT-C/A-DEFERRED PER MEL 26-09. AUTH # 071338D-C. CORRECTIVE ACTION: REMOVED AND REPLACED RELAYS K0625, K0629, K0630. SMELL WAS NOTED AS THE FIRE EXTINGUISHING AGENT. NO FURTHER DEFECTS NOTED. REMOVED AND REPLACED CARGO SMOKE DETECTORS. NO FURTHER DEFECTS NOTED. SMELL WAS EXTINGUISHING AGENT. MEL RESTORED. CARGO AREA SMOKE DETECTOR P/N 473597-13 S/N 1032