3649 - DURING DT CHECK FOUND AIR LEAK 2. ~~~~~ 3649 - DURING DT CHECK FOUND AIR LEAK 2.2 BAR/5MINS.    LOUD AIR LEAK SOUND FROM U/F OF 2649.  649/650 found air leaking from coupler isolating cock between #2649 & #2650. Isolated the cock & notif 2446016 raised.  Shafie/Anand 44914 Notif 2446016 Name                              : Khairul Date    Of    Occurrence          : 19/12/2022 Last    Service    Date           :   EMU/Equipment/Location            : 649/650/ 2649 Auto coupler Equipment Serial No. (if  any)    :   Description Of Fault/Cause        : 2649 directional valve leak Measurements    ( if  any )       :   Required   Rectification          : To changeout