As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX AND FAS REPORTED STRONGER SMELL ROWS 14-19. SMELL LASTED FOR 5 MIN. AND THEN DISAPPATED. PERFORMED E175 FIM 21-20-00-810-801-A FOR ANY ABNORMAL SMELL. NO ABNORMAL SMELL. PER FIM STEP 5. AU. (2). -(35489) C/W WO 331337, COMPLETED FORM M-744 FOR ODORS/SMELLS. PERFORMED ENGINE RUN. NO ABNORMAL SMELL NOTED. NO DEFECTS NOTED. RETURNED TO SERVICE.