617/618 LMRG Fault.(train Prep) ~~~~~ TO CHECK 617/618 BOTH SIDES CHECK AIR LEAK OK.COMPRESSOR CUT IN/OUT WITHIN CRITERIA.AIR COMPRESSOR CHARGING RATE PASS.BOTH COMPRESSOR LEAK RATE 0.5 BAR/5 MINUTES.#1617 AND #2617 CARS MEAN PRESSURE VALVE LEAK FOUND REPLACE NEW FUNCTION CHECK OK.RAM/FIRDAUS 24.11.2023 #1617 MPV NOTIFICATION 2545783 #2617 MPV NOTIFICATION 2545784