As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 3355 FOUND 4L EPSU FAULTY. MCDU BITE TEST SHOWS 4L SLIDE LIGHT FAULT. CORRECTIVE ACTION: SLAVED IN NEW SLIDE NO HELP. FOUND WIRE INTERMITTENT FROM CONNECTOR 5193VC TO 17WL. FOUND WIRE BROKE ON DOOR. REPAIRED WIRE. CKS GOOD. REINSTALLED SERVICABLE SLIDE PER AMDS W/C. (5149667)