What was found
AT JFK, DURING DAILY CHECK, EMERGENCY LIGHTS FAILED SYSTEM TEST WITH MESSAGE, EPSU EXT LOAD AFT LEFT DISPLAYED. T/S SYSTEM PER TASK 33-51-00810-0808, CHECK EPSU, DEUB (300RH1) WIRING FROM AFT LEFT AND RIGHT SLIDE TO EPSU. FURTHER T/S FOUND BOTH LEFT AND RIGHT SLIDE AT 300 OHMS AND 270 OHMS. REMOVED AND REPLACED AFT LEFT AND RIGHT SLIDE S/N A7012, A7010 PER AMM 25-82-62-44-401. OPS CHECK OK. (M)