What was found
WHILE ON DESCENT INTO CMH THE CAPTAIN NOTICED SPARKS SHOOTING ACROSS CA WINDSHIELD. F/O DECLARED AN EMERGENCY. SHORTLY AFTER THE WINDSHIELD HAD SPIDER WEBBED CRACKED. THE AIRCRAFT LANDED SAFELY WITHOUT ANY FURTHER ISSUES. CAPTAINS WINDSHIELD CRACKED. REMOVED AND REPLACED CAPTAINS WINDSHIELD PER AMM 56-11-11-400-001 AND WINDSHIELD HEAT CONTROLLER NR 1 REPLACED FOR PREVENTATIVE MEASURE AND OPERATIONAL TEST OF THE WINDSHIELD ANTI-ICING AND DEFOGGING PER AMM 30-42-00-710-001 WAS COMPLETED.