As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R3 EPSU BATTERY NO TEST. PERFORMED EPSU SYS TEST FER AMM 33-51-00 FOUND FAULT ATA 256241 ESCAPE SLIDE LT SWITCH/EPSU (16WL) DOOR 3. SLAVED IN NEW EPSU 16WL DOOR 3 IAW AMM 33-51-38. NO HELP. REMOVED AND REPLACED R3 SLIDE IAW AMM 25-62-42. EPSU TEST GOOD.