What was found
(CAN) ON APPLICATION OF ACFT EXTERNAL POWER IN THE HANGAR, SMOKE WAS REPORTEDLY FOUND IN LOWER CONTACTOR BOX AREA, RT AC CONTACTOR BOX. RESOLVED ON W/O: 316378 TASKCARD: NR-00004, ON INSPECTION OF LIMITER BOX, ATTATCHED TO BOTTOM OF CONTACTOR BOX, HEAVY ARCING BETWEEN PIN A, 2442-1B12A-1, AND PIN B, 2442-2B12B-1 AT LIMITER BLOCK. WIRE FROM PIN A WAS BURNED AWAY AND LIMITER BLOCK MADE UNSATISFACTORY. FURTHER INSPECTION FOUND WIRE 2442-3B12C-1 FROM PIN C TO BE CHAFED. THE OTHER CURRENT LIMITER BOX WAS ALSO REMOVED, CLEANED AND INSPECTED. LIMITER BLOCK REINSTALLED AND TERMINATED. ALL ABOVE WIRES REPLACED AND TERMINATED. CURRENT LIMITER BOX MINOR REPAIR COMPLETED AND INSTALLED . ALL CURRENT LIMITERS REPLACED AND INSTALLED. FUNCTION TESTED SERVICEABLE.