As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING BOMBARDIER SB 670BA-53-044 REV F, FOUND LEFT FS 202.75 BULKHEAD TO HAVE BEEN PREVIOUSLY REPAIRED BY BOMBARDIER REO 690-53-11-703 AND REO 690-53-11-704. C/A: REPAIRED IAW MHIRJ REO 690-53-11-1411 REV -- DATED 2022-04-03 AND MESA AIRLINES RO CRJ9-53-5256