As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1165 PHL-CLT - EES - R3 DOOR SLIDE INTERNAL LIGHTING FAILED. EMERGENCY LIGHT EPSU EXTERNAL LOAD FAULT (EXIT R). MAINTENANCE REMOVED AND REPLACED THE R3 DOOR SLIDE ASSEMBLY. ALSO REFERENCE LOG PAGE 4388428 FOR EMERGENCY LIGHTS FAILED CIDS TEST - MSGS (1) EPSU INT LOAD MID L, (2) EPSU INT LOAD MID R, (3) EPSU EXT LOAD EXIT R. RELAMPED VARIOUS EMERGENCY EXIT SIGNS AND LIGHTS AND REPLACED R3 DOOR SLIDE (AS INDICATED ABOVE).