What was found
(CAN) ON TOP OF CLIMB AT FL 270 FIRST OFFICER'S WINDOW STARTED TO SPARK AND BEFORE HEAT TURNED OFF, THE OUTER PANE SHATTERED. WINDOW REPLACED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) ON TOP OF CLIMB AT FL 270 FIRST OFFICER'S WINDOW STARTED TO SPARK AND BEFORE HEAT TURNED OFF, THE OUTER PANE SHATTERED. WINDOW REPLACED.