1627 A1 DOOR DOID NOT CLOSEREFER TO SIG A1 DOOR DID NOT CLOSE GNAL CHECK NO ABNORMALITIES FER BACK TO RS 27 A1 DOOR DID NOT CLOSE. ~~~~~ 1627 A1 DOOR DOID NOT CLOSE     Checked #1627-A1 door found when opening/closing high    resistance.Checked door guide rail for FOD-no.Checked J-rail and rollers function impeded by dirt.Serviced rollers and cleaned J-rails-ok.Before servicing,pull/push 13kg force required.After servicing,pull/push 8 kg-ok.Door cyclic test-ok.Door mating strip(63,64,64mm)ok. Done by Kumar/Jack/Sateesh/Koh. 22/04/20