HomeAD libraryAD 55-20-02Airworthiness Directive · The Boeing Company AirplanesAD 55-20-02The Boeing Company AirplanesAirplaneIssued1955EffectiveNot statedMakerThe Boeing CompanySupersedesNothingApplies toThis AD applies to The Boeing Company DC-7, DC-7B, DC-7C.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 55-20-02 for its current status and any corrections
