As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DISCREPANCY: REFERENCE LOG PAGE LP1148549 ITEM 3, EPSU TEST FAILURE WITH MULTIPLE MX MESSAGES. AFTER FURTHER TROUBLE SHOOTING L1 DOOR SLIDE FOUND TO BE CAUSE. L1 DOOR SLIDE REQUIRES REPLACEMENT. CORRECTIVE ACTION: REMOVED AND REPLACED L1 DOOR SLIDE REFERENCE AMM 25-62-44-012-A AND 011A. TEST OK./END/