Maintenance and Modifications
AD affects bizliner auxiliary fuel systems
An FAA airworthiness directive (AD) issued in October could ground more than 70 narrow-body bizliners worldwide that are equipped with auxiliary fuel syste

An FAA airworthiness directive (AD) issued in October could ground more than 70 narrow-body bizliners worldwide that are equipped with auxiliary fuel systems designed to give the aircraft additional range.

Affected are Boeing’s 727; 737-200, -300, -400 and -500 models; 737-800 and -900 (the BBJ and BBJ2, respectively); 757-200 and 767-200; Bombardier’s CRJ100/ 440; and the McDonnell Douglas DC-8-62, DC-9-33F, MD-81, MD-82, MD-83 and MD-87. The FAA estimates that the AD affects about 59 U.S.-registered aircraft.