As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ATB - F/O NOTICED R FRONT WINDOW ARCING NEARING TOP OF CLIMB. CHECKED WITH FLASHLIGHT AND DISCOVERED HAIRLINE CRACK AT TOP OF WINDOW. PARTIALLY REMOVED R-1 WINDOW, THRU STEP 2D13 OF MM 56-11-01-4. SPEED TAPE APPLIED OVER FRAME TO PREVENT WATER INCURSION. COMPLETE R-1 WINDOW REMOVAL. INSTALLED NEW R-1 WINDOW IAW MM B757 56-11-01-4.