What was found
D:DURING CLIMB OUT THROUGH 4000 HEARD A LOUD POP, SPARK AND GREY SMOKE, WHICH QUICKLY CLEARED, OUT OF THE RIGHT WINDSHIELD HEATER. RECEIVED RIGHT WINDSHIELD CAUTION. RAN QRH.C: MEL 30-41-1ACAT C DUE ON 06/02/2025DURING CLIMB OUT THROUGH 4000 HEARD A LOUD POP, SPARK AND GREY SMOKE, WHICH QUICKLY CLEARED, OUT OF THE RIGHT WINDSHIELD HEATER. RECEIVED RIGHT WINDSHIELD CAUTION. RAN QRH. (FLIGHT 4945 - FILED CLOSED)MAY 23, 2025 STATION: PIA--T/S SMOKE IN THE COCKPIT IN REF TO CRJ 700 AMM 21-21-00PERFORMED WINDSHIELD HEATER SYSTEM FIM TASK 30-41-00-810-801 FOR THE R WSHLD HEAT CAUTION MSG. REMOVED TERMINAL BLOCKS IN REF TO AMM 30-41-06, NO DEFECTS NOTED. NO SIGNS OF BURNING AND ALL TERMINAL CONNECTORS ARE SECURED. PERFORMED DAMAGE CHECK OF RH WINDSHIELD IN REF TO CRJ 700 AMM 56-11-01. NO DEFECTS NOTED. INSPECTED RH SIDE WINDOW IN REF TO AMM 56-12-01, NO DEFECTS NOTED. DEFERRED RH WINDSHIELD ANTI ICE SYSTEM PER MEL 30-41-1A. MX ACTION COMPLIED WITH AND PLACARD INSTALLED. MAY 26, 2025 STATION: ORD -- REMOVED AND REPLACED RH WINDSHIELD IN REF TO AMM 56-11-01 AND TASK CARD 56-220-1000-SKY. OPS CHECK AND LEAK CHECK GOOD AT THIS TIME.MEL CLEARED AND PLACARDS REMOVED.CALIBRATED TOOLSELECTRONIC DIAL WRENCH FOR RUNNING TORQUE S/N: 091702392540 TO 200 INCH POUND TORQUE WRENCH S/N: 01189008540 TO 50 INCH POUND TORQUE WRENCH S/N : 0120900786