What was found
WHILE ARMING DOOR FOR DEPARTURE, R FWD SLIDE ARMED INDICATION WILL NOT ILLUMINATE ON ECAM. RELEASED FOR SERVICE PER MEL : 52-XX-XX CAT : C EXP : 11APR25 "MEL 52-XX-XX: ECAM SLIDE INDICATION SYSTEM FOR R1 DOOR - INOP. DOOR ESCAPE SLIDE ARMING SYSTEM IS TO BE VERIFIED AS FULLY ARMED PRIOR TO EACH DEPARTURE. TS IAW TSM 52-73-00 FIG 103. DURING TS FOUND AUTONOMOUS STANDBY POWER UNIT WOULD NOT TEST. RE-SEATED CANNON PLUG IAW AMM 52-73-18-04 ASPCU TEST FUNCTION NOW WORKS. PERFORMED ADJUST/TEST OF ASPCU IAW AMM 52-73-00-05-02. OPS CHECKS GOOD. ALL ECAM SLIDE INDICATIONS HAVE BEEN RESTORED. OK FOR SERVICE.