HomeAD libraryAD 90-26-54Airworthiness Directive · Amendment 39-6994 · The Boeing Company AirplanesAD 90-26-54The Boeing Company AirplanesAirplanePublishedMay 29, 1991EffectiveMay 29, 1991MakerThe Boeing CompanySupersedesNothingApplies toThis AD applies to The Boeing Company 747-400 Series.The models as the FAA's AD index lists them. The serial ranges, installed parts and exceptions are in the AD itself: read it at the FAA.Official sourcesThe AD at the FAA · its text as the FAA keeps itFAA Dynamic Regulatory System (DRS) · search 90-26-54 for its current status and any corrections
