As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#1761, LGA-PBI. "OVERWING EMER EXIT LIGHT NOT ILLUMINATING; MESSAGE "EPSU INT LOAD EMER R" ON CIDS 1 GRD SCAN. R/R 12WL EPSU AND BATT IAW AMM 33-51-38. EMER BATT TEST NOW OK BUT LOWER O/W EMER EXIT LTS STILL DON'T WORK. T/S TO CONT."