As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOWER FS250.00 STIFFENER CORRODED AT MULTIPLE AREAS (MARKED) BETWEEN STGR 23R TO STGR 23L. (C-CHECK RO 8/16/2021) LOWER FS250.00 STIFFENER CORROSION EVALUATED AS OUT-O-LIMITS WITH 100% MATERIAL LOSS. REMOVED STIFFENER AT FS250.00 BETWEEN STGR23R - STGR23L, AND INSTALLED NEW STIFFENER, AND ANGLES. REF. CRJ700 SRM 51-42-06-001-001-A01, CRJ700 SRM 51-42-21-001-001-A01, BOMBARDIER DWG CC670-34120 REV. NC. COMPLIED WITH TASK CARD 51-900-1002-SKY.