As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AT GATE MX REPORTED DOOR R2 SLIDE UNRAVELING, REQUIRES REPLACEMENT. DURING SLIDE INSTALLATION PER EMB AMM, MX DISCOVERED RELEASE CABLE HAD SNAPPED IN HALF. MX REMOVED AND REPLACED CABLE PER EMB AMM AND COMPLETED SLIDE INSTALLATION PER EMB AMM.