As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WINDOW HEAT LT FWD EICAS ADVISORY, LOSS OF LEFT FORWARD WINDOW HEAT. OUTER PANE CRACKED. EMERGENCY DECLARED. REMOVED THE L1 WINDOW IAW AMM 56-11-01 AND EA 3000-01084, REV B OP1. SPLICED WIRES W4123-1001-20, AND W4123-0111-20 IAW SWPM 20-30-12. LEFT WINDOW HEAT CONTROL SYSTEM TEST CHECKED GOOD.