EASA Regulations for Learjet 70

4 airworthiness directives and regulations affecting Learjet 70.

EASA AD US-2023-01-05

Time Limits / Maintenance Checks — Airworthiness Limitations Section — Amendment / Pneumatic - Anti-ice Manifold Assembly - Revision of Inspection Program

The Federal Aviation Administration's Airworthiness Directive 2023-01-05 is a final rule affecting Learjet, Inc. Model 40, 45, 70, and 75 airplanes. It mandates revisions to the airworthiness limitations section, specifically reducing inspection intervals for the pneumatic anti-ice manifold assembly to address safety concerns. This directive aims to prevent metal fatigue that could cause loss of ice protection and potential loss of airplane control.

Feb 3, 2023

Airworthiness DirectiveMaintenanceSafety MgmtLearjet, 45Learjet 40Learjet 45Learjet 70Learjet 75

EASA AD US-2021-23-11

Powerplant System - Fuel Flow Meter Bracket Assembly - Replacement

The Federal Aviation Administration's Airworthiness Directive 2021-23-11 addresses certain Learjet Inc. Model 45 series airplanes, including Learjet 40, 45, 70, and 75. This directive responds to reports of fuel leaks caused by cracked fuel lines between the engine fuel control and the engine fuel flow meter. The AD mandates replacement of the existing fuel flow meter bracket assembly with a redesigned, thicker bracket assembly to mitigate the unsafe condition.

Dec 7, 2021

Airworthiness DirectiveMaintenanceSafety MgmtLearjet, 45Learjet 40Learjet 45Learjet 70Learjet 75

EASA AD US-2021-23-08

Wings - Center Wing Mid Spar Splice Plate - Repetitive Inspections

The FAA Airworthiness Directive 2021-23-08 is a final rule addressing certain Learjet Inc. Model 45 series airplanes, including Learjet 40, 45, 70, and 75. It mandates repetitive inspections of the center wing mid spar splice plate for corrosion and deterioration of protective treatments. This directive aims to prevent potential wing centerline joint failure due to corrosion.

Dec 7, 2021

Airworthiness DirectiveMaintenanceSafety MgmtLearjet, 45Learjet 40Learjet 45Learjet 70Learjet 75

EASA AD US-2021-08-15

GARMIN INTERNATIONAL - GTS Processor Units - Software Update

Federal Aviation Administration Airworthiness Directive 2021-08-15 is a final rule addressing certain Garmin International GMN-00962 GTS processor units (GTS 825, GTS 855, GTS 8000) installed on various aircraft including Textron Aviation Citation models, Embraer Phenom 100 and 300, Learjet 70 and 75, and Viking Air Limited Model SD3-60 Sherpa modified by Field Aerospace STC ST00865DE. The directive targets software versions 3.13 or earlier (except 3.12.1) of these units due to false resolution advisories that may cause unsafe conditions. It mandates a software update to correct this issue and improve flight safety.

Apr 14, 2021

Airworthiness DirectiveMaintenanceSafety MgmtTextron Aviation CitationEmbraer Phenom 100Embraer Phenom 300Learjet 70Learjet 75Viking Air Limited SD3-60 Sherpa