As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RH WING THE DOUBLE ON BATT RIB AT WS53.60 HAS CORROSION (C-CHECK RO 9/13/2023) REMOVED CORROSION AT DOUBLE ON BATT RIB RH WING, WS53.60. REF CRJ200 SRM 51-21-06. FOUND TO BE OUT OF LIMITS. REMOVE AND INSTALLED NEW RH WING BATT RIB DOUBLER AT WS53.60. REF: CRJ-200 SRM 51-42-06, CRJ-200 SRM 51-42-21 AND DWG. 601R10203 REV -G. COMPLIED WITH TASK CARD 51-900-1003-SKY.