HomeAD libraryAD 85-12-51Airworthiness Directive · Amendment 39-5104 · The Boeing Company AirplanesAD 85-12-51The Boeing Company AirplanesAirplanePublishedAugust 6, 1985EffectiveAugust 6, 1985MakerThe Boeing CompanySupersedesNothingApplies toThis AD applies to The Boeing Company 737-100 Series, 737-200 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 85-12-51 for its current status and any corrections