What was found
EMERGENCY LIGHT TEST FAILED. MESSAGE ATA 33-51-38, EPSU EXT LOAD FWD LT DISPLAY46. IAW MM 33 51 38, TRIED NEW POWER SUPPLY & BATTERY, NO HELP. REPLACED FWD EPSU & FAILED FOR SAME EXT LOAD FWD. NEW SLIDE REPLACED, RESET OVERWING EPSU & THEY CHECKED GOOD. REPLACED LAMPS OF WING EMERGENCY ESCAPE LIGHTS, FOUND ONE BAD LAMP & CORROSION ON OTHER. TROUBLE SHOT IAW TSM 33-51-00-810-8 08-A USING 7.5 OHM 5 WATT RESISTOR CONNECTED TO DOOR. 1R SLIDE CONNECTOR TEST PASSED NEXT STEP IS TO REPLACE 1R SLIDE. REPLACED DOOR 1R SLIDE ASSEMBLY IAW AMM 25-62-44.