HomeAD libraryAD 90-19-05Airworthiness Directive · Amendment 39-6733 · The Boeing Company AirplanesAD 90-19-05The Boeing Company AirplanesAirplanePublishedOctober 23, 1990EffectiveOctober 23, 1990MakerThe 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 90-19-05 for its current status and any corrections