HomeAD libraryAD 89-04-07Airworthiness Directive · Amendment 39-6141 · Bombardier Inc. AirplanesAD 89-04-07Bombardier Inc. AirplanesAirplanePublishedMarch 7, 1989EffectiveMarch 7, 1989MakerBombardier Inc.SupersedesNothingApplies toThis AD applies to Bombardier Inc. CL-44D4, CL-44J.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 89-04-07 for its current status and any corrections