As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A SERVICE CHECK, THE EMERGENCY LIGHT FAILED TO TEST WITH A MAINT MESSAGE EPSU EXT LOAD AFT LT. TROUBLESHOT IAW TSM AND CONFIRMED THE AFT LEFT DOOR SLIDE DEFECTIVE. REMOVED AND REPLACED THE L2 DOOR SLIDE IAW AMM 25-62-44-400 -006-A, AND 25-62-44-000-002-A.