What was found
TCAS ANTENNA DOUBLER PLATE BETWEEN FS295.00 - FS310.00 AND BETWEEN STGR27 - STGR26R CORRODED, MARKED, (INSIDE FUSELAGE) (C-CHECK) RO 01/07/2020 EVALUATED ANTENNA DOUBLER PLATE BETWEEN FS 295.00 TO FS 310.00 AND STR 27 TO STR 26 RH FOUND TO BE OUT OF LIMITS MATERIAL LOSS IS 100% REF CRJ 200 SRM. REMOVED ANTENNA DOUBLER REF CRJ 200 SRM. INSTALLED NEW ANTENA DOUBLER PER REF: DWG # 601R31022 REV. B AND CRJ 200 SRM TCAS DOUBLER P/N 601R31022-27. OPERATIONAL AND PRESSURE LEAK CHECKS GOOD. REFERENCE THE CONTINUE CARD FOR DETAILS.