What was found
(CAN) AT FL 300 CREW NOTICED RT REAR WINDOW HAD AN ELECTRICAL ARC AND THEN PROCEEDED TO MIDDLE PLY SHATTERED. CREW FOLLOWED QRH. ACFT LANDED, PRESSURIZATION WAS NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) AT FL 300 CREW NOTICED RT REAR WINDOW HAD AN ELECTRICAL ARC AND THEN PROCEEDED TO MIDDLE PLY SHATTERED. CREW FOLLOWED QRH. ACFT LANDED, PRESSURIZATION WAS NORMAL.