What was found
DURING CRUISE FLIGHT (32,000), F/A`S SMELLED A FAINT BURNING TYPE ODOR COMING FROM THE AFT PART OF THE ACFT (ROWS 18, 19, AND 20). SAID SEVERAL PASSENGERS IN THOSE ROWS ALSO NOTICED IT. F/A THOROUGHLY INSPECTED AFT PART OF ACFT (INCLUDING LAV) ODOR WENT AWAY. ALL SYSTEMS FROM FLIGHT DECK APPEARED NORMAL. CAPTAIN DID SMELL A FAINT ELECTRICAL TYPE ODOR WHILE ON SHORT FINAL, THAT WAS ONLY NOTICEABLE FOR SEVERAL SECONDS THEN WAS GONE. RAN A/C PACKS FORM BOTH APU AND ENGINES IAW MM 21-51-00. INSPECTED ALL CIRCUIT BREAKER PANELS FOR TRIPPED BREAKERS AND CHECKED FOR ABNORMAL MESSAGES. NO DEFECTS NOTED.