What was found
D: DUE TO ODI EVENT THIS ACFT REQUIRES SR. MANAGEMENT APPROVAL TO BE RETURNED TO SERVICE / C: MCI / UNRELIABLE LOCALIZER IN SBN RUNWAY 9R. LOCALIZER WAS ERRATIC ON TWO ATTEMPTS. DEC 29, 2021 STATION: FWA -- RECIEVED APPROVAL FOR RETURN TO SERVICE FROM STEVEN BUGALA AS REQUIRED / THIS DISCREPANCY WAS TRANSFERRED TO CAMP ITEM 24085713 WITH THE FOLLOWING CORRECTIVE ACTION: "CHECKED LOCALIZER INDICATIONS PER AMM 34-51-00, FOUND SOME ERRATIC DEVIATION ON BOTH CA AND FO SIDES. INSPECTED COAX CONNECTIONS TO AND FROM VOR/LOC ANTENNA COUPLER, NO ISSUES FOUND. REMOVED AND REPLACED VOR/LOC ANTENNA COUPLER PER AMM 34-51-04. OPS CHECK GOOD AT THIS TIME. AIRCRAFT REMAINS CAT II STATUS PER TASK CARD 34-220-1021-SKY. / CALIBRATED TOOLING: IFR 4000 S/N: 1000684929 DUE: JUL 2022"