TIMS SHOWED RADIO COMM. FAULTTIMS SHOWED RADIO COMM FAULT. CHECKED ON CURRENT AND NEW SPARE TCI, FAULT STILL INDICATED ON TIMS. REQUESTING FOR JOINT INSPECTION WITH RS. ~~~~~ FOR FUTHER INVESTIGATION.  3501 replaced new cable (RS422 to CN7). Function check & continuity check - OK.  Celine Tan 44902 3502 TIMS SHOWED RADIO COMM. FAULT 06.12.2022 06:58:50 UTC+8 (MOHAMADSAL52) TIMS SHOWED RADIO COMM FAULT. CHECKED ON CURRENT AND NEW SPARE TCI. FAULT STILL INDICATED ON TIMS. REQUESTING FOR JOINT INSPECTION WITH RS.  3501 checked FC & found RADIO COMM FAULT. Occupied cab at #3502, fault remained at #3501. Checked #3501 CN-M7 to TCI RS422 & found PIN 22 from CN-M7 to PIN Q from RS422 - OL. Found PIN crimpling loose. Replaced both ends with new pins (0.3 ohm). Reinstalled & function test. Found new FC RADIN COMM FAULT only on occupying cab. OPS 20 raised for further investigation.  Sarma/Anand 44901