HomeAD libraryAD 85-21-03Airworthiness Directive · Amendment 39-5143 · The Boeing Company AirplanesAD 85-21-03The Boeing Company AirplanesAirplanePublishedNovember 4, 1985EffectiveNovember 4, 1985MakerThe Boeing CompanySupersedesNothingApplies toThis AD applies to The Boeing Company DC-8-71, DC-8-72, DC-8-73.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 85-21-03 for its current status and any corrections