Pax feedback to staff(BNV) unusual soundheard from undercarriage in car 1570. Staff(QUE) checked an d confirmed no abnormalities found. Pax feedback to staff(BN V) unusual sound heard from undercarriage in car 1570. Staff ~~~~~ CE: 1570 Between A1 & A2 door, noise very loud.
 1570 Axle #2 removed/disconnected the earth cable from the brush holder.
Checked other high tension systems: A/c 1 & 2, APS & propulsion systems - OK.
 Irwan/Hanafi. 19/12/2022.