During train prep found 3549 parking bra ~~~~~ follow up ops10 c/o parking brake release pressure switch ok.secure/function check brake cyclic test/parking brake test ok.secure stbs on both dt ok.teh/low kc/hafiz r/leong 04.05.2023 #3549 parking brake swich s/n old B88682/001     new B88682/020 NOTIFICATION 2485411  3549 parking brake release fault.checked tims fault code 717.parking brake fault on #3549.further checked found parking brake release pressure switch faulty.no spare available.awaiting for spare.ops20 to follow up.leong/azhar 03.05.2023