What was found
CREW REPORTS ODOR IN CABIN ON APPROACH AND LANDING TO SFO. LANDING WAS A BLEEDS OFF LANDING DUE TO MEL 2101A APPLIED. APU BLEED ON, ENG BLEEDS OFF, LT PACK OFF, RT PACK ON, DURING DESCENT AT 10K FT IAW MM 05-51-26-800-801-C1, STEP 1C(2)(D). INSPECTED APU COMPARTMENT & TAILPIPE, FOUND NO DISCREPENCIES. APU OIL CORRECT LEVEL. INSPECTED RT PACK, FOUND NO DISCREPENCIES. OPS PACKS WITH APU BLEED FOR 5 MIN., NO ODOR NOTED. CONTINUED OPS CHK WITH ENGINE BLEEDS ON AT DIFFERENT POWER SETTINGS, NO ODOR PRESENT, NO PREVIOUS HISTORY CONTINUED OPS CHK WITH ENGINE BLEEDS ON AT DIFFERENT POWER SETTINGS, NO ODOR PRESENT, ACCOMPLISHED MM 05-51-26-800-801-C1 STEP 1C(1) (A-F), & 1C(2) (A-C). NO SIGNS, OR BURNING OF SMOKE ODOR.