What was found
EPSU TEST FAILS 11WL EMER L (EXT LIGHTS FAULT) AND 13WL AFT L (EXT LIGHTS FAULT). / REMOVED AND REPLACED ALL 4 BULBS ON 61WL & 63WL, OPS CHECK GOOD AND EPSU (11WL) EMER L FAULT CLEARED. IAW AMM 33-51-15 PB 401. REMOVED AND REPLACED L2 DOOR ESCAPE SLIDE (7502MM) IAW AMM 25-62-44 PB 401. OPS CHECK GOOD. ESCAPE SLIDE LT/ ESPU (13WL) AFT L FAULT CLEARED . OPS CHECK OF EMERGENCY LIGHTING SYSTEM GOOD. W/REF TO AMM 33-51-00-710-001-A"