As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/A CONFIRMED BY 2 OMC BURNING RUBBER - ELECTRICAL SMELL NEAR ROW 6 NOW DISSIPATED. ODOR COMES AND GOES. ROW 6AB STATIC IN AUDIO. ACCOMPLISHED SEAT CABLE AND SEB CK 5AB-6AB. NO OBVIOUS ODOR. WIRING TO SEB CHECKS OK. AUDIO SYSTEM OPERATION NORMAL.