ODEL 737-100. -200. 200C SERIES AIRPLANES. THE AD IS N/A FOR 737-700 AIRCRAFT EARLIEST BC: 1998-18-20 Category: AD Status: N/A Rev: 1 REPLACE JC CARTER FUEL S/OFF VALVE. Reason Frog: 1 THE AIRCRAFT IS NOT FITTED WITH CARTER FUEL VALVES P/N 40574-5 OR -5. AD IS N/A BY INSTALLED P/N. EARLIEST BC: 1998-19-09 Cat