What was found
AIRCRAFT 676, DURING HCK AT QRO, WHILE PERFORMING A BASE ZONAL INSPECTION PER WC 2020-2397, CORROSION WAS FOUND AT FUSELAGE SKIN, BETWEEN STA 810 TO 850 AND S-16R TO S-17R. CORRECTIVE ACTION: SUBSEQUENTLY THE CORROSION WAS BLENDED OUT PER B757-200 SRM 51-10-02, NEVERTHELESS, REMAINING THICKNESS CONDITION WAS DETERMINED OUT OF LIMITS DUE TO THE DEPTH EXCEEDS THE 15 PERCENT OF NOMINAL THICKNESS ALLOWED PER B757-200 SRM 53-00-01-1A. THIS ER/A AUTHORIZES TO TRIM OUT AFFECTED AREAS AND TO INSTALL REPAIR FILLERS AND A REPAIR DOUBLER. (LP 2888586)