ATS alarm showed EB applied due to rollback tolerance exceeded. Reset EB - ok. Train proceeded in AMmode to BSH SB. ~~~~~ 3506 ATS alarm showed EB applied due to rollback tolerance exceeded. Reset EB - ok. Train proceeded in AM mode to BSH SB.  505/506 checked/found/re-adjusted the following CCD height : #3505 - A2/B2,#2506 - B1 #1506 - B2, #3506 - A1. Carbody height & CCD fuses checked - OK. OPS 20 raised to follow-up.  Sarma/Wong/Kiran/Rajamohan 44488 To further rectify.  3506 replaced AMR2 relay. Function check & limited movement - OK.  Alan 44489