As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT FWD DOOR L1 ESCAPE SLIDE PACK LOWER SUPPORT FITTING FOUND OUT OF DOOR SUPPORT BRACKET. SLIDE OUT OF POSITION OFF OF THE DOOR RESULTING IN 33 PERCENT LOSS OF PACK RETENTION TO DOOR. POSSIBLE FAILURE OF CORRECT DEPLOYMENT. ACFT GROUNDED. FOUND BOTTOM BALL ON LOWER FITTING NOT IN SUPPORT BRACKET. REMOVED AND REINSTALLED L1 DOOR SLIDE IAW AMM 25-66-01-400-803. OPS CHECKS GOOD.