Air leak at 2549 and 1550    ~~~~~ Air leak at 2549 and 1550     Checked 549/550 underframe pneumatic equiptment for air leak.Found #1550 parking brake solenoid v/v air leaking.Tighten the monuting no further air leak observed.Carried out brakes cyclic test ok.door test-ok.Compressor cut in/out ok.leaks test-ok. Done by Kumar/Jack/Sateesh/Koh. 05/2/20