What was found
L1 ESCAPE SLIDE LIGHTS WILL NOT ILLUMINATE WHEN PRESS TO TEST BUTTON IS ENGAGED. BUZZERS ARE OK. RELEASED FOR SERVICE IAW MEL 52-73-01-01 CATEGORY C, EXPIRATION 10 APR 16 MEL 52-73-01-01. R1 & L1 CREW ENTRY DOOR ESCAPE SLIDE WARNING SYS LIGHTS INOPERATIVE. R1 & L1 ENTRY DOOR ESCAPE SLIDE WARNING SYS LIGHTS INOPERATIVE. PULLED AND RESET AUTONOMOUS STANDBY POWER SUPPLY UNIT C/B PERFORMED BITE TEST PER 52-73-00 BITE CK PASSES, CHECKED L1 & R1 DOOR SLIDE WARNING LIGHTS OPS CKS GOOD CLEARED DEFERRAL. A/C OK FOR SERVICE.