As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON PUSHBACK HAD ELECTRICAL MALFUNCTION. ELECTRICAL SMOKE INDICATOR LIGHT C/B POPPED AND CENTER NR 2 HYDRAULIC C/B POPPED. FOUND C2 HYD PUMP SWITCHLIGHT STUCK IN. UPON PANEL REMOVAL FOUND EVIDENCE OF ARCING/BURNING ON SWITCH HOUSING. REPLACED HYD PUMP SWITCHES PANEL M10050 AND ALL OK.