As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE WORKING WRIS 25-60-2704 AND 52-10-2698. MECHANICS OPENED THE L1 DOOR AND THE EMERGENCY DOOR ASSIST BOTTLE DISCHARGED WITH THE HANDLE IN THE DISARMED POSTION AND THE SAFETY PIN INSTALLED. SERVICED L1 FWD DOOR DAMPER AND EMERGENCY OPERATION CYLINDER IAW AMM 52-10-14-03-10. OPS CHECKED GOOD.