Pax feedback to Real Time Feedback dutyphone that there is an air discharge sound heard at Rear DT car. TC then feedback MR pressure at 7.8 bars when train doo rs are opened at YCK NB. Pax was disembarked at YCK NB ~~~~~ 560 A/S WFL hose found to have a puncture hole from which air was
leaking heavily
MR unable to charge up in depot due to heavy air leak.

4. Rectification details
- Replaced 3560 B/S WFL with new pneumatic hose and elbow
- Function test WFL able to protract & retract as required

Side finding: Air leak found to be (0.7bar/5min) after WFL tube c/o

- 3559: A/S WFL found leaking-replaced and double check valve test point
air leak-replaced
- 1559: No.1 bogie dump valve pipe joint leak-tightened
- 2559: CR test point air leak-replaced and No.2 bogie parking brake
test point air leak-replaced
- 1560: No.1 end semi permanent coupler hose MR joint air leak-tightened
- 3560: No.2 bogie dump valve pipe joint air leak-tightened and No.1 A/S
testpoint air leak-replaced