As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT EMERGENCY EXIT LIGHTS POWER SUPPLY CONTROLLER HAS A FAULT. REMOVED AND REPLACED RH EMERGENCY EXIT LIGHT POWER SUPPLY ASSY 12WL, OPS CHECK OK REF AMM 33-51-38.PARTS USED: 31-3350-9-9001, QTY :1 ROTABLE PARTS CHG:TT # 1422891 SN OFF 4242 PN OFF 31-3350-9-9001 IPC REFERENCE # MFG SN OFF NOT ON AC. POWER SUPPLY, P OFF 31-3350-9-9001 3210 ON 31-3350-9-9001 8237