As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT FUSELAGE AT FS 847+16 BETWEEN STR 26L AND 26R HAS EVIDENCE OF CORROSION AROUND FITTING FASTENERS. C/A: SPLICE REPAIRED FRAME SECTOR @ FS847+16 BETWEEN STR26L AND STGR26R IAW CRJ 900 SRM53-00-06-201-001-A03, 51-21-06-001-001-A01 AND ENDEAVOR AIR EA #CRJ953-12481 REV IR DATED 12/07/2021.