As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DRAIN MAST DOUBLER BETWEEN STGRS 27/26R AND FS 1031/1047 CORRODED, AS MARKED. C-CHECK RO 12/14/2020. REMOVED AND INSTALLED NEW DRAIN MAST DOUBLER BETWEEN STGRS 27/26R AND FS 1031/1047, REF CRJ 700 SRM DWG. PRESSURE CHECK GOOD. COMPLIED WITH TASK CARD.