3609 - B3 Door faulty. To check & rectif ~~~~~ 3609 - B3 Door faulty.  3609 B3 door checked/found LHS outer rollers delaminated & inner rollers loose. RHS door rollers checked - OK. Replaced both LHS big rollers. Cleaned J-rail/guide rail, weather strip in good condition & no FOD found. Door cyclic test & door gap 63.6mm check - OK. Door open/close timing check - OK. All doors were proven closed & no DIR lit up.  Sarma/Sugu/Alan/Lee PT/Anand 45037