What was found
MULTIPLE PROBLEMS OCCURRED DURING POST C CK TEST FLIGHT TO INCLUDE TAIL SKID LIGHT FLICKERING, AFT AUX TANK INDICATOR ERRATTIC, AFT CARGO LIGHT ON, AFT AUX CIRCUIT BREAKER POPPED, DRAIN MAST CB POPPED. FOUND WIRE BUNDLE AT STA 950E BELOW FLOOR SHORTED AND BURNT. WIRE BUNDLE APPEARS TO HAVE CHAFED ON NUT PLATE STAND OFF. ALL REPAIRS AND INSPECTIONS MADE.