As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*STGR21R FS333.00 €“ FS349.00 HAS CORROSION ON MULTIPLE AREAS. (C-CHECK) RO 2/1/2021 REPLACED STGR21R FROM FS333.00 TO FS379.00 REF CRJ 900 SRM 51-42-06-01-001-A01 AND DWG SH670-31350 REV A. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH 51-900-1002-SKY. PRESSURE CHECK GOOD