What was found
AIRCRAFT WAS GROUNDED. CABIN PRESS DOOR LIGHT CAME ON IN FLIGHT INTERMITTENTLY L1 DOOR. INITIAL TROUBLESHOOTING FOUND THE SLIDE WAS PRESSING AGAINST THE ARMING LEVER LINKAGE CAUSING THE ARMING LEVER TO SPRING BACK RESULTING IN THE PRESSURIZATION WARNING LIGHT TO INTERMITTENTLY FLASH. SUPPLEMENTAL REPORT: REPLACED SLIDE PER TASK CARD 26L00025011 (AALA202012249014) AND FURTHER TROUBLE SHOOTING FOUND RELAY 3EN1 BAD WHICH WAS REPLACED, PER ESPM 20-46-50. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED (AALA202101089008). SUPPLEMENTAL CLOSED.