What was found
DURING LINE CHECK FOUND DOOR 2L EMERGENCY DOOR ASSIST BOTTLE PRESSURE READING AT ZERO PSI. REMOVED AND REPLACED DOOR ASSIST BOTTLE PER AMM 52-11-30-401. DURING OPERATIONAL CHECK BOTTLE DISCHARGED. FOUND DOOR TRIGGER BROKEN ON UPPER HINGE ARM. REMOVED AND REPLACED POWER TRIGGER FORK AND DOOR ASSIST BOTTLE PER AMM 52-11-30-401. PERFORMED SYSTEM TEST PER AMM 52-11-20-735. OPS CHECKS GOOD AND AIRCRAFT HAS RETURNED TO SERVICE.