What was found
R1 ENTRY DOOR NOT SHOWING ARMED ON ECAM WITH DOOR IN ARMED POSITION. RELEASED FOR SERVICE PER MEL : 52-30-04 CATEGORY : C EXPIRATION : 08JUL26 "MEL 52-30-04: ECAM SLIDE INDICATION SYSTEM FOR (R1)DOOR - INOP. DOOR ESCAPE SLIDE ARMING SYSTEM IS TO BE VERIFIED AS FULLY ARMED PRIOR TO EACH DEPARTURE. ESPM: 20-55-10 ESPM: 20-44-00 WDM: 52-73-05 ASM: 52-73-00 AMM: 52-73-00-05-02. PERFORMED T/S AND WIRE CHECKS FOR R1 DOOR NOT SHOWING ARMED. FOUND 70WN AUTONOMOUS STANDBY POWER SUPPLY UNIT DIRTY. CLEANED AND RESEATED PLUG. DOOR WARNING SYSTEM OPS CHECKS GOOD.