What was found
UPON REMOVAL OF STGR 27, CORROSION FOUND ON TCAS DOUBLER CHANNEL (C-CHECK RO 9/27/2021) REMOVED AND REPLACED LWR TCAS DBLR CHANNEL, REF CRJ 700 SRM 51-42-06-001-001-A01, CRJ 700 SRM 51-42-13-001-001-A01 AND BOMBARDIER DWG SH670-30023 REV G. LEAK CHECK GOOD, OPS TEST GOOD. / COMPLIED WITH SKYWEST TASK CARD 51-900-1002-SKY (CL600-2C10) STRUCTURAL MAJOR REPAIR / COMPLIED WITH SKYWEST FORM M-337