What was found
LAS FLT 168 EN-ROUTE ORD - LAS. THE AIRCRAFT WAS NOT GROUNDED. LIGHT ELECTRICAL BURNING ODOR NOTED BY CREW AND PAX IN AREA OF ROW 10 A & B, DISSIPATED WHEN LIGHTS WERE TURNED OFF. THE FLIGHT CONTINUED TO LAS AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE PERFORMED CABIN ODOR TROUBLE SHOOTING CARD 05-96-70 STEP 4 (3) ELECTRICAL EQUIPMENT. FOUND POWERPORT CONNECTOR AT 10A NOT SECURE, AMM 23-81-05, SECURED AND OPS CHECK POWERPORT AT 10 ABC GOOD.