As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHL - WHILE PERFORMING ETOPS COCKPIT CHECKS, MAINT NOTICED STRONG BURNT ELECTRONIC SMELL WITH VISIBLE SMOKE HAZE RISING IN FWD CENTER CONSOLE AREA. STATUS MSG WARN ELEX APPEARED. REMOVED AND REPLACED FIRE CONTROL PANEL FOR BURNT SMELL. OPS CHECK GOOD. UNIT FAILED FUNCTIONAL TEST. FOUND S1 SHORTED AND S2 INTERMITTENT DIME LIGHT AND CONTAMINATED. REPLACED SWITCH, LIGHT ASSEMBLY, AND LAMPS.