What was found
DURING DESCENT, BELOW 7000 FT, A STRONG ODOR WAS NOTICED IN THE COCKPIT AND AFT OF ROW 27. CLEARED WITHIN 3 MINUTES AND BY 4000 FT. PERFORMED TSM FOR CABIN ODOR OR SMOKE, CHECKED ENGINES AND APU FOR LEAKS, NONE NOTED. BOTH ENG OIL CONSUMPTION RATE BELOW LIMITS. OPERATED BOTH PACKS WITH APU AND ENG BLEED. COULD NOT DUPLICATE ODOR IAW TSM 05-50-00-810-831-A. AIRCRAFT OK FOR SERVICE