As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT ATTENDANT REPORTS SMOKE IN CABIN AT 40AB. PER CREW DEBRIEF CORRECT LOCATION IS 34AB. FOUND PSU DECODER W/ INTERIOR THERMAL DAMAGE. NO ADJACENT DAMAGE. REMOVED 34AB DECODER PER ERA 583507-14 INSTALLED PSUD AT 34AB. RE-INSTALLED TERMINATION PLUG AT LAST ROW PER B767 WDM 23-34-18 AND ER/A 583507-14MULTIPLE LOCATIONS READING AND F/A CALL LIGHTS REMAIN INOP REFERENCE NEF LOG #'S 1380272 AND 1380275 FOR CORRECTIVE ACTION