As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*LH LOWER WING PLANK ACCESS HOLE 510AB FLANGE HAS CORROSION LOWER SIDE. (C-CHECK RO 7/27/2021) BLENDED CORROSION FROM LWR SIDE OF LH LOWER WING PLANK ACCESS HOLE 510AB FLANGE TO A SMOOTH CONTOUR AND RESTORED FINISH. REMAINING MATERIAL IN REWORKED AREAS IS WITHIN LIMITS. REF REO 601R-57-21-030 REV -L DATED 2014-02-05, DWG# 601R10045 REV AE. COMPLIED WITH 51-900-1003-SKY NO DEFECTS NOTED