As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEFECT WAS DISCOVERED DURING A OVERNIGHT HEAVY SERVICE CHECK. LP437626 ITEM 2: R1 DOOR SLIDE NEEDS REPLACING DUE TO FAILED EPSU TEST. DUE TO EPSU FAILURE, REMOVED AND REPLACED R1 DOOR SLIDE AS DOCUMENTED ON NR 133892. EPSU TEST GOOD. A/C OK FOR SERVICE REF AMM 25-62-48-000-804-A AND 25-62-44-400-803-A.