As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT HAND OFF-WING ESCAPE SLIDE INSTALL {A3NB-25-3-6280} - DURING OPS CHECK OF EMERGENCY LIGHT CIDS DISPLAYED EPSU INT LOAD EMER L MSG. UPDATING ROTABLE PARTS CHANGE WAS INDICATED - TT # 1559479 SN OFF 8303 .POWER SUPPLY, P OFF 31-3350-9-9001 8303 ON 31-3350-9-9001 1024 REPLACED CHARGER AND BATTERY PACK IRW AMM 33-51-38 ON MID LEFT HAND SECTION OPS CHECK GOOD.PARTS USED: 18-3351-3-0001,QTY :1 31-3350-9-9001,QTY :1