What was found
CORROSION ON INTERNAL PRODUCTION DOUBLER OF ANTENNA IN FS= 295 TO FS= 310 BETWEEN STGR 26LH TO 26RH AT MAIN AVIONICS COMPARTMENT. PRODUCTION DOUBLER LOCATED ON FS= 295 TO FS= 310 BETWEEN STGR 26LH TO 26RH AT MAIN AVIONICS COMPARTMENT WAS EVALUATED OUT OF LIMITS AND WAS REPLACED PER CRJ900 SRM 53-00-00-101-001-A01,CRJ900 SRM 51-42-21-001-001-A01 AND CRJ900 SRM 51-42-06-001-001-A01 AND TCAS OMNIDIRECTIONAL ANTENNA WAS REPLACED PER CRJ-900 AMM 34-43-07-000-801-A03 AND AMM 34-43-07-400-801-A01