What was found
PASSENGERS AND FLIGHT ATTENDANT REPORTED A STRONG GASOLINE ODOR, NEAR THE L3 DOOR. PERFORMED TSM 05-50-00. OPERATED THE A/C PACKS WITH APU IAW AMM 21-52-00. OPERATED THE A/C PACKS WITH ENGINE BLEED IAW AMM 71-00-00. NO ODOR NOTED. INSPECTED AREA NEAR THE L3 DOOR, NO CONTAMINATION NOTED. ACFT OK FOR SERVICE.