What was found
THE CREW REPORTED A STRONG NAUSEOUS ODOR FROM THE PACKS WHEN ENGINE BLEEDS WERE POWERING THE PACKS, AND THAT THE ODOR REDUCED WHEN APU BLEED WAS USED. THE ACFT LANDED WITHOUT INCIDENT WHERE MAINTENANCE INSPECTED THE ACFT AND FOUND A LOOSE BUSS 1 TO BUSS 2 INTERFACE CABLE ON THE LT POWER DISTRIBUTION BOX WITH MELTED HARDWARE. MAINTENANCE R & R THE AFFECTED HARDWARE, HEX SCREW, WASHERS & NUTS, OPERATIONALLY TESTED WITH NO DEFECTS NOTED, AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE.