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 540BB FLANGE HAS CORROSION LOWER SIDE. (C-CHECK RO 7/27/2021) BLENDED CORROSION FROM LWR SIDE OF LH LOWER WING PLANK ACCESS HOLE 540BB FLANGE TO A SMOOTH CONTOUR AND RESTORED FINISH. REMAINING MATERIAL IN REWORKED AREAS IS WITHIN LIMITS. REF GENERIC REO 601R-57-21-030 REV -L DATED 2014-02-05 AND DWG# 601R10044 REV AF. SEE CONTINUATION CARD FOR DETAILS. COMPLIED WITH 51-900-1003-SKY