As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK, FOUND FS 610 LT WINDOW FRAME HAS A CRACK AT LOWER SIDE FROM CORROSION LEVEL 1 LOCAL TYPE. BLENDED OUT AND REMOVED CORROSION. FOUND AREA BEYOND LIMITS IAW DAC SR.08530014 DRAWING. FABRICATED EXTERNAL DOUBLER FROM 7075.T6 .190 INCH. INSTALLED IAW DAC SR.08530014 AND SRM 51-1-20.