HomeAD libraryAD 85-21-01Airworthiness Directive · Amendment 39-5148 · The Boeing Company AirplanesAD 85-21-01The Boeing Company AirplanesAirplanePublishedOctober 21, 1985EffectiveOctober 21, 1985MakerThe Boeing CompanySupersedesNothingApplies toThis AD applies to The Boeing Company 737-300 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 85-21-01 for its current status and any corrections