As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WOULD NOT PASS EMERGENCY LIGHT TEST. *S/D* CAUSES CANNOT BE DETERMINED FROM THE WRITE-UP. EMER LIGHT BATTERY PACK, POWER SUPPLY UNIT AND SLIDE WERE REPLACED. EMERGENCY LIGHT TEST WAS THEN CHECKED OK. BUT SHOP FINDINGS REVEALED NO AMP READINGS ON LIGHT SYSTEM OF THE SLIDE.