What was found
UNUSAL ODOR (INITALLY REPORTED AS ELECTRICAL & ACRID, THEN OILY AND RUBBERY) REPORTED BY AFT CABIN FLIGHT ATTENDANT SHORTLY AFTER ENGINE START AND TAXI SOURSE WAS DECRIBED AS COMING OUT OF AFT GALLEY GASPER VENT. PER MSI LOG 1533839 C/W STEPS A-L. FOUND TO BE TYPE 9 MISCELLLANEOUS. INSPECTED APU INLET, DUCKS, COMPARTMENT. NO FINDING INSPECTED AROUND COFFEE MAKER, LAVS AND LIGHTS NO FINDINGS. USED P-TRAC WITH APU & ENGINES HIGHEST WAS 5,000. R/R RECERCULATION FILTERS PER A320 AMM 21-21. (LP: 8622840) AIRCRAFT WAS GROUNDED