Train doors at Front M1 car were not proven closed. TC opened and closed a once to clear fault. ~~~~~ 1533 Train doors were not proven closed. TC opened and closed a once to clear fault.  1533 checked on TIMS & found no FC. #1533 Checked all doors for FOD - OK. Function check door operation & cyclic test 10x - OK. Door opening/closing time checked - OK. OPS 20 raised for #3533 B1 door squeaky noise.  Chadwyn 44347 To check 3533 B1 door squeaky sound.  3533 B1 door found door leaf contact with carbody rubber. Trimmed the rubber & function check door operation - OK.    No noise was detected.  Chan GF/Alan 44347