2603 Found B2 Door timing fail. ~~~~~ 2603 Found B2 Door timing fail.  2603 no FC registered. Removed doors & found #2603 B2 outer door rollers delaminated - Replaced all 4 rollers. Cleaned J-rail/guide rail & no FOD was found. Checked weather strip condition & door gap 63.8mm - OK. Door cyclic test & DIR able to extinguish. TIMS door static timing test - Passed.  Celine Tan 45065