Pax feedback to staff(NEW) unusual soundheard from undercarriage. Staff(SOM) checked and confirmed no abnormalities heard. ~~~~~ Checked and found wheelflat at #1537 A4 and B4. A4 - 70mm x 30mm. B4 - 60mm x 30mm. Dump valve test-ok. Notification no: 2588219 Done by: Faadzal and Henry