What was found
THE SKIN BETWEEN STA 480 TO 500 AND STR 27R TO 28R WAS FOUND CORRODED. THE DAMAGED SECTION WAS TRIMMED OUT LEAVING A CUTOUT DIMENSION OF 19.5 INCH BY 8.5 INCH. ER/A WILL INSTALL AN EXTERNAL DOUBLER AND TRIPLER FOR THE DAMAGE. REV A DETAILS ADDITIONAL CORROSION FOUND. THE NEW DAMAGE IS LOCATED AT STA 500 AND 520. THE ER/A WILL INSTALL AN INTERNAL DOUBLER AT BOTH NEW DAMAGE LOCATIONS ON A TIME-LIMITED BASIS REF DL ERA 303302-14.