Figure 14-33.  Fuel tank access panel locations on a Boeing 737 (A), and typical fuel tank access panel seals (B).  14-23 Tank access panel No. 1 Boost pump access panel No. 1 Boost pump access panel No. 2 No. 2 No. 4 No. 6 No. 8 No. 10 No. 12 No. 14 No. 3 No. 5 No. 7 No. 9 No. 11 No. 13 APL C L INBOARD FORWARD A Access door Molded rubber seal Lower wing surface Knitted aluminum gasket Clamp ring Mounting bolt (TYP) B