EMU 521/522 Air leak test failed 1.0 Bar ~~~~~ 521/522 found the following test points air leak badly :
#3522 B/S wiper, #1521 bogie 2 U/F test point, #2521 bogie 2 U/F test point,
#2522 bogie 1 MR tank test point. #2522 LMRG test point &
#3522 B/S water tank air leak.
OPS 30 raised to follow-up Due to time constraint,  Sarma/Wong/Anand 03/12/2020