As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#2923, JFK-LAX. 'L3 EMERGENCY EXIT SIGN DID NOT ILLUMINATE ON TEST AS WELL AS CEILING LIGHTS ROW 9/10 AND ROW 19; REMOVED AND REPLACED EPSU 11WL BATTERY PER AMM 33-51-38. NO HELP SEE LOG PAGE 3389919, ITEM 2 (REMOVED AND REPLACED EPSU 11WL UNIT PER AMM 33-51-38. OPS CHECK NORMAL) FOR RESOLUTION.'