What was found
DURING CLIMBOUT GROUND 10,000 RT FWD WINDOW HEAT OVERHEAT LIGHT ILLUMINATED. LIGHT EXTINGUISHED AFTER QRH WAS PERFORMED. GROUNDED - YES. REFERENCE TSR 703641 FOR TROUBLESHOOTING ACCOMPLISHED. REMOVED THE R1 WINDOW PER AMM 56-11-11-00-801. ACCOMPLISHED VISUAL CHECK OF WINDOW POST AND SILL PER AMM SUBTASK 56-11-11-210-011. MOVED RH FRONT WHCU TAP TO TERMINAL 3 OF TB5012 FOR INSTALLATION OF NEW WINDOW REF WDM 30-41-12. INSTALLED R1 WINDOW REF AMM 56-11-11-400-821 UP TO STEP H3 AND C/W STEP H11 THRU H13. R1 WINDOW REPLACED COMPLETE PER AMM 56-11-11-400-821.