Refer#256249, Fault recurred at COM1. DIR unable to clear. Pax disembark at COM1 and TC was instruct ed to operate DIRBS and ATPM mode to next station. ~~~~~ L3 1612 A1 door isolating cock found deformed. Replaced 1612 A1 door operating mechanism. Security & function test - OK. 1612 Door Operating Mechanism S/N : OLD : 1405W020031S027. NEW : D18YF008S003.  Selvan/Anand. 09/03/2020.