As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAXI OUT THE NR 2 AC BUSS CIRCUIT BREAKERS POPPED OUT. SMELLED SMOKE IN COCKPIT TAXIED BACK TO THE RAMP. FOUND BURNED WIRES AND FEEDER CABLES BELOW LAVATORY FLOOR FOR THE NR 2 GENERATOR, ALL 3 PHASES. GENERATOR FEEDER CABLES FOR NR 1 AND 3 GENERATORS ARE ALSO DETERIORATED. (K)