As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH WING ACCESS PANEL 540AT HOLE HAS MULTIPLY PLACES OF CORRSION ON UPPER AND LOWER SURFACE LIP. (C-CHECK RO 5/3/2021) REMOVED CORROSION FROM SKIN UNDER ACCESS PANEL 540AT LIP CRJ200 SRM 51-21-06. WITHIN LIMITS REF. REO 601R-57-21-3442 REV --, DATED: 2021-03-24. BOND CHECK, AND GAP CHECK GOOD. COMPLIED WITH 51-900-1003-SKY.