What was found
AFT ENTRY DOOR LIGHT ILLUMINATED ON TAKEOFF IT KEPT GOING OFF AN D ON UPDATE AFT ENTRY L-2 SERVICE DOOR FOUND CHAFFING ON LEFT AFT ENTRY DOOR UPPER ROLLER GUIDE SLOT. SUSPECTED ROLLER IS NOT COMPLETELY SECURED INTO SLOT WHEN CLOSED T/S PER FIM 52-10 TASK 801. DOOR OPERATION IS NORMAL.WITH POSITIVE LOCK AND UNLOCK . PER STEP 5 TASK 52-71-11-820-801 FOUND DOOR L2 SENSOR GAP S200 OUT OF OPTIMUM POSITON . ADJUSTED SAME WITH NO FURTHER FAULTS FOUND. OK TO CONTINUE.