As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION AT STGR 20RH BETWEEN FS 295 TO FS 310. REMOVED AND INSTALLED NEW STGR 20RH BETWEEN FS295.00 TO FS310.00 REF. CRJ900 SRM 51-42-06-001-001-A01 AND BOMBARDIER DWG SH670-31630 REV. K COMPLIED WITH 51-900-1002--SKY. LEAK CHECKS GOOD