DT check found air leak test fail. ~~~~~ DT check found air leak test fail.   Ops10: checked and confirm the following leak: 1. 1515 A1 parking brake, ACU leak. 2. 2515 bogie #2 quick coupling leak 3. 3516 WFL R-side leaking 4. 3515 Bogie #2 quick coupling leak 5. 2516 CR1 leak 6. Door manifolds: 3516 (A2, A3, B4), 1516 (A3, A4), 2151 (B1, A2) To be changed out when spares are available. N.AKUMAR //31.03.21 --------------------- To follow up air leaking check.   Ops 20: door manifolds removed and fixed N.AKUMAR/31.03.21 --------------------- To follow up air leaking check.   Ops 30: CR1 and ACU replaced N.AKUMAR/31.03.21 --------------------- To follow up air leaking check.   Ops 40: Parking brake and WFL cylinder replaced New leak rate: 0.55bar/5min (door open), 0.45bar/5min (door close) N.AKUAMR/31.03.21 ---------------------