As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHT TEST FOR NR 2 SERVICE FAILS TEST WITH AFT LEFT UNIT FAULTIN. AFT CURTAIN ROD AND AFT PANEL AT DOOR 2 LT IS REMOVED FOR ACCESS REPLACED 13WL EXIT POWER UNIT...NO FAULTS...INSTALLED CURTAIN ROD ASSY AND CEILING PANEL ROTABLE PARTS CHANGE WAS INDICATED - TT # 1211891 SN OFF 4893 POWER SUPPLY, C OFF 31-3350-9-9001 4893 ON 31-3350-9-9001 8316.