What was found
SEAT ROW 1 THROUGH 5 LT & RT EMERGENCY LIGHTS INOP. TROUBLESHOT PER WDM FOUND SEAT 2AB FORWARD FRONT ILLUMINATOR DAMAGED. DISCONNECTED WIRING PLUG AND REMOVED ILLUMINATOR FROM SEAT VERIFIED THAT AFT ILLUMINATOR IS OPERATING NORMALLY, NEEDS 1 EACH ILLUMINATOR MFG P/N 0201991008. FORWARD ILLUMINATOR TO MCO E 514642002 AND PLACARD REF MEL 33-51-03. REPLACED FORWARD LEFT POWER SUPPLY AS PRECAUTIONARY, PERFORMED SATISFACTORY OPERATIONAL TEST OF THE EMERGENCY ESCAPE PATH MARKING SYSTEM PER AMM.