As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DESCENT SHORT FINAL FA REPORTED ODER IN FWD CABIN LASTING 5 SECONDS-PERFORMED ENG 1 & 2 PACK BURNOUT. ISOLATE EACH PACK. NO SMELL DETECTED. ALL CHECKS NORMAL AT THIS TIME. IAW TSM 05-50-00. APU CHECKED ALSO NO SMELL DETECTED ALL CHECKS OK. AC OK FOR SERVICE. 71-00-00