Learjet 45 Airworthiness Directives

Every AD in the library whose text names the Learjet 45, of which 428 are registered in the US.

25 not superseded, 4 of them with a repeat action. 27 listed in all, newest published February 2, 2023.

Published sinceHide 2 supersededOnly repeat actions25 of 27

2021-23-08Requires repetitively inspecting the center wing area for corrosion and deterioration of protective treatments, removing any corrosion, and treating any deteriorated areasWing, center box · AirplaneRepeat actionDec 6, 2021
2011-13-10Requires replacing the left engine fuel and hydraulic tubing and installing a tubing support channel, which terminates the repetitive inspections required in the existing ADPowerplant · AirplaneSupersedes 2009-11-13Repeat actionJun 27, 2011
2010-06-13Requires a general visual inspection for cracked and missing ballscrew assembly sleeves of the flap actuator, repetitive non-destructive liquid penetrant inspections of each sleeve or flap actuator for cracks, and...Flight controls · AirplaneRepeat actionMar 17, 2010
2003-17-08Learjet Model 45 AirplanesAirplaneSupersedes 2000-22-04Repeat actionAug 20, 2003
2023-01-05Requires revising the existing inspection program to incorporate reduced inspection intervals for the anti-ice manifold assemblyPneumatic · AirplaneFeb 2, 2023
2021-23-11Requires replacing the existing fuel flow meter bracket assembly with a redesigned bracket assembly and reporting information to the FAAPowerplant system · AirplaneDec 6, 2021
2015-12-06Requires a general visual inspection of the coupe rails to detect gouging and scratches, and to determine if a radius has been removed; an ultrasound inspection to measure the dimensions of the lower coupe rails; an...Fuselage · AirplaneJun 16, 2015
2014-13-06Requires inspecting for any corrosion, and damage to the sealant; installing sealants and gaskets; and related investigative and corrective actions as necessaryEngine exhaust · AirplaneJul 15, 2014
2013-14-07Requires modifying the fire seal on the baggage door, including doing inspections of the fire seal for correct contact and corrective action if necessaryEquipment/furnishings · AirplaneJul 22, 2013
2011-25-03Requires revising the maintenance program to incorporate life limits for the MLG actuator end capLanding gear · AirplaneDec 19, 2011
2011-04-08Requires a general visual inspection for damage of wiring (including chafing, pinched wires, and exposed wires) and correct routing of wires in the left and right circuit breaker panels, and related investigative and...Electrical power · AirplaneFeb 24, 2011
2010-21-19Requires replacing aluminum fire extinguisher discharge tubes with new, improved tubes; checking the fire extinguisher container for certain serial numbers; replacing fire extinguisher containers that have affected...Fire protection · AirplaneOct 14, 2010
2009-24-22Requires inspecting the baggage bay door fire barrier seal for inconel mesh in the fire barrier seal material; for certain airplanes, inspecting the fiberglass doublers for presence of red Room Temperature...Doors, and ata code 25: equipment/furnishings · AirplaneDec 4, 2009
2008-01-03Requires revising the Airworthiness Limitations section of the airplane maintenance manual to incorporate certain inspections and compliance times to detect fatigue cracking of certain principal structural elements...Learjet Model 45 Airplanes · AirplaneJan 10, 2008
2007-17-17Requires inspecting for unsealed gaps on the pylon side of the engine firewall and cleaning/ sealing any unsealed gap; and, for certain airplanes, inspecting for unsealed gaps of the pylon trailing edge and...Learjet Model 31, 31A, 35, 35A (C-21A), 36, 36A, 55, 55B, and 55C Airplanes, and Model 45 Airplanes · AirplaneAug 28, 2007
2007-09-03Requires deactivating the auxiliary power unit (APU), capping/plugging the fuel lines to the APU, and removing the APU fuel shutoff valveLearjet Model 45 Airplanes · AirplaneApr 26, 2007
2006-10-15Requires a review of airplane maintenance records to determine whether inspections identified by certain inspection reference numbers (IRNs) have been doneLearjet Model 45 Airplanes · AirplaneMay 16, 2006
2005-24-13Requires modifying the electrical wire bundle for the alternator on the left-hand engine, inspecting for clearance between wire harnesses and engine tubing for each engine, and corrective actions if necessaryLearjet Model 45 Airplanes · AirplaneDec 5, 2005
2003-16-19Learjet Model 45 AirplanesAirplaneAug 13, 2003
2003-16-09Requires replacement of those certain shear pins with new, improved shear pinsLearjet Model 45 Airplanes · AirplaneAug 12, 2003
2003-06-51Requires an inspection to determine the part number of the horizontal stabilizer actuator assembly (A66), and replacement of any suspect horizontal stabilizer actuator assembly (A66) with a new or serviceable...Learjet Model 45 Airplanes · AirplaneApr 21, 2003
2002-17-01Learjet Model 45 AirplanesAirplaneAug 28, 2002
2001-03-05Learjet Model 45 AirplanesAirplaneFeb 15, 2001
2000-08-13Learjet Model 45 AirplanesAirplaneApr 28, 2000
95-19-04 R1Learjet Model 35, 35A, 36, 36A, 55, 55B, and 55C AirplanesAirplaneMar 27, 2000

Listed by the model designations in each AD's text. An AD written for a part number, or for "all" engines of a maker, may name no model and so not appear here: search the library for the part or the maker as well.