What was found
FLT 607 - ORD - LAS - VIBRATION / BURNING SMELL - BURNING FELT VIBRATION IN FLIGHT DECK FLOOR AREA (15 MIN), LATER SLIGHT ELECTRIC MOTOR BURN ODOR. CYCLED BLOWER AND EXTRACT MOTORS, NO VIBRATIONS OR ODORS NOTED. COMPLIED WITH AEVC TEST WITH NO FAULTS NOTED. INSPECTED AVIONICS COMPARTMENTS, NO ODORS OR VIBRATIONS NOTED.