3352 Hotbox/Hot wheel triggered Bearing ~~~~~ 3352 Hotbox/Hot wheel triggered Bearing Temp (A1,75;A2,74;A3,74)  3552 No brakes related FC. Axle box temp stickers check ok & preventively replaced temp stickers. Axle box and brake shoe condition ok. Checked and found 3552 A2, A3, A4, B2, B3 and B4 with shell thread circumferential defects. Dump valve test ok. Brake cyclic test ok & brakes able to physically release in coast. Notif 2589980 raised for wheel profiling.   45399 Notif 2589980 Name                        : Kamal Date of Ocurrence           :17/04/24 Last service Date           :   EMU/Equipment/Location      :551/552 Equipment serial no (if any): Description of fault/ Cause :3552 A2 A3 A4 B2 B3 B4 wheel shell                               thread circumferential Measurement (if any)        :  Request Rectification       :Require Wheel profiling