TC reported LMRG fault and MR drop below7.2 bar after pax transferred. Train was disembarked. After disembarked, MR pressure charged up. TC reset EB - ok. MR p ressure was at 8.4 bar. No compressor fault. ~~~~~ * ,N *

'Fault confirmed when train was in pit.
No FC registered
Air leakage (External Factor) Confirmed
Heavy leakage from 3529 A/S WFL air hose.

From play back train entering  BUGIS station when  train door open (Train EB)
Postulate MO drop due to contribution of Brake applied ,door open and WFL hose
dislodged and both comp in the state of cut in.

Rectification Details
- Replaced 3529 A/S WFL air tube and quick coupling (car body side)
- Checked both air dryers-ok
- Check MR tank- no water content observed
- Function test. Cut in/out, air leak and charge up rate within criteria
-Checked both DT  WFL quick coupling -Satis

3529
Cut in: 8.6bar
Cut out: 10.5bar
Charging rate: 2min 30sec

3530
Cut in: 8.4bar
Cut out: 10.35bar
Charging rate: 2min 32sec

Leak rate: 0.5bar/5min

DONE BY:TEH/LAI 16.04.2024