TC reported that MR overcharging between10 to 11 bars and air discharged sound was heard. ~~~~~ 3528- CHECKED MR USING RSDPG FOR CUT IN(8.42) -CUT OUT(10.70), C/O CG CANIBALISED FROM EMU 3515 TO 3528, CHECKED CONFIRMED NO AIR LEAK, MONITORED & FUNCTION TEST FOR MULTIPLE TIME CUT IN(8.42) -CUT OUT(10.30), DONE SECURITY CHECKED ALL OKAY.LOWCF/RAM/ARI /SHAFIAN ,12/01/2020