What was found
*THE LH WING LOWER PLANK ACCESS HOLE UNDER PANEL 550BB HAS MULTIPLE LOCATIONS OF CORROSION. (MARKED) (C-CHECK) RO 2/9/2021 BLENDED CORROSION ON LH LOWER WING PLANK ACCESS HOLE FOR PANEL 550BB TO A SMOOTH CONTOUR, REMAINING THICKNESS OF 0.168" IS WITHIN LIMITS OF REO 601R-57-21-030 REV -L DATED 2014-02-05. BLEND IS IN CRITICAL REGION. COMPLIED WITH TASK CARD 51-900-1003-SKY SEE CONTINUATION CARD FOR WORK PERFORMED. COMPLIED WITH REO 601R-57-21-030.REV L 2014-02-05