As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUME EVENT ON LANDING PACK 1 SUSPECTED-PERFORMED TSM 05-50-00-810-831-A. FOUND THE MOST PROBABLE CAUSE TO BE ENG 1. PERFORMED TSM 71-00-00-810-801-A. MINOR ODOR NOTED FROM ENG 1 PACK 1. NO SMELL NOTED ON ANY OTHER SOURCE. SEE LOGPAGE 2524013-1 FOR CORRECTIVE ACTION.