As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING OPS TEST, THE DOOR ASSIST BOTTLE OPENED DOOR 3R BUT SLIDE FAILED TO DEPLOY DUE TO DOOR LOCKING MECHANISM DID NOT HOLD OPEN AND DOOR BOUNCED BACK, THUS PREVENTING THE SLIDE FROM FULLY DEPLOYING. FOUND RELEASE LEVER FOR DOOR ASSIST SAFETIED IN DISARMED POSITION. CLEANED AND LUBED DOOR LATCH, REPLACED SLIDE AND TESTS OK.