What was found
DFW - FTL 1542 - DURING DESCENT INTO DFW, L1 WINDSHIELD ARCED FROM CENTER LOWER PORTION OF WINDOW. CREW TURNED OFF LEFT WINDOW HEAT AND CONTINUED DESCENT. AT 9,000 FT AND 250 KTS, L1 WINDSHIELD OUTER PANEL SHATTERED. AIRCRAFT PROCEEDED TO DFW AND LANDED WITHOUT INCIDENT. REPLACED L1 WINDSHIELD. ALSO, REPLACED L1 WINDOW HEAT CONTROLLER. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)