What was found
WHILE OPENING L1 DOOR GIRT BAR GOT STUCK ON FLOOR AND PULLED OFF DOOR. REMOVED FROM SERVICE. WHILE REMOVING SLIDE ON L1 DOOR FOUND DOOR ASSIST BOTTLE DEPLOYED. REMOVED AND REPLACED THE L1 DOOR PNEUMATIC ASSEMBLY DIAPHRAGM REF. E-175 AMM TASK # 52-11-53-000-801-A,AND TASK # 52-11-53-400-801-A NO DEFECTS NOTED. REPLACED L1 DOOR EMERGENCY EVACUATION SLIDE ASSY REF E175 AMM TASK 25-61-01-000/400-801-A. CYCLED DOOR, DOOR OPERATES NORMALLY, INDICATES NORMALLY RETURNED TO SERVICE.