183 results found (1237ms)
Airworthiness Directives; Honeywell International Inc. Engines
Unsafe Condition: Reports of compressor surge, including a dual engine compressor surge, during takeoff climb out through a steep temperature inversion, causing a loss of engine thrust control.
Why matched: Airworthiness Directives; Honeywell International Inc. Engines
Airworthiness Directives; Honeywell International, Inc. (Type Certificate Previously Held by AlliedSignal, Inc. and Textron Lycoming) Turboshaft Engines
Unsafe Condition: tachometer drive spur gear failure, resulting in potential engine overspeed, loss of power turbine speed (N2) instrument panel indication, and hard landings.
Why matched: Airworthiness Directives; Honeywell International, Inc. (Type Certificate Previously Held by AlliedSignal, Inc. and Textron Lycoming) Turboshaft Engines
Airworthiness Directives; Honeywell International Inc. Turbofan Engines
Unsafe Condition: an uncontained release of low-pressure turbine (LPT) blades
Why matched: Airworthiness Directives; Honeywell International Inc. Turbofan Engines
Airworthiness Directives; Honeywell International Inc. Turbofan Engines
Unsafe Condition: two fan disks found with surface rollovers in the dovetail slot area
Why matched: Airworthiness Directives; Honeywell International Inc. Turbofan Engines
Airworthiness Directives; Honeywell International Inc. Turboprop Engines
Unsafe Condition: A TPE331-11U engine experienced an uncontained rotor separation and cracks were discovered in the bore of the second stage turbine rotor assembly after publication of AD 88-12-10.
Why matched: Airworthiness Directives; Honeywell International Inc. Turboprop Engines
Airworthiness Directives; Honeywell International Inc. Turbofan Engines
Unsafe Condition: The second stage low-pressure turbine (LPT2) blades may fail due to excessive wear, which can lead to engine failure.
Why matched: Airworthiness Directives; Honeywell International Inc. Turbofan Engines
Airworthiness Directives; Honeywell International Inc. Turboprop and Turboshaft Engines
Unsafe Condition: The affected combustion chamber case assemblies installed on certain TPE331 and TSE331 engines may crack, leading to engine failure.
Why matched: Airworthiness Directives; Honeywell International Inc. Turboprop and Turboshaft Engines
Airworthiness Directives; Honeywell International Inc. Turboprop and Turboshaft Engines
Unsafe Condition: Failures of the direct drive fuel control gears and bearings in the hydraulic torque sensor gear assembly, part number (P/N) 3101726-3.
Why matched: Airworthiness Directives; Honeywell International Inc. Turboprop and Turboshaft Engines
Airworthiness Directives; Honeywell International Inc. Turbofan Engines
Unsafe Condition: Seven loss-of-thrust-control events attributed to water intrusion of the engine electronic control unit (ECU).
Why matched: Airworthiness Directives; Honeywell International Inc. Turbofan Engines
Airworthiness Directives; Honeywell International Inc. Turboprop and Turboshaft Engines
Unsafe Condition: Combustion chamber case assemblies have cracked and ruptured due to high stresses in the as-designed weld joints and contributing factors due to repair weld quality, poor maintenance and inspection...
Why matched: Airworthiness Directives; Honeywell International Inc. Turboprop and Turboshaft Engines
Airworthiness Directives; Honeywell International Inc. Turbofan Engines
Unsafe Condition: Failure of the second stage low-pressure turbine (LPT2) blade due to high-cycle fatigue in the blade's dovetail region, leading to loss of power.
Why matched: Airworthiness Directives; Honeywell International Inc. Turbofan Engines
Airworthiness Directives; Honeywell International Inc. Turbofan Engines
Unsafe Condition: Manufacturing-caused flaw in fan disks of Honeywell TFE731-20 and TFE731-40 turbofan engines, which could lead to uncontained failure of the fan disks, damage to the engine, and damage to the airpl...
Why matched: Airworthiness Directives; Honeywell International Inc. Turbofan Engines
Airworthiness Directives; Honeywell International Inc. Turboprop Engines
Unsafe Condition: Reports of loss of the fuel control drive, leading to engine overspeed and engine failure.
Why matched: Airworthiness Directives; Honeywell International Inc. Turboprop Engines
Airworthiness Directives; Honeywell International Inc. Turboprop and Turboshaft Engines
Unsafe Condition: Cracks in the 2nd stage compressor impeller discovered during a routine shop visit, which could lead to impeller failure, uncontained part release, engine damage, and airplane damage.
Why matched: Airworthiness Directives; Honeywell International Inc. Turboprop and Turboshaft Engines
Airworthiness Directives; Honeywell International Inc. (Type Certificate Previously Held by AlliedSignal Inc., Garrett Turbine Engine Company) Turbofan Engines
Unsafe Condition: Certain interstage turbine transition (ITT) ducts failing to meet containment capability requirements.
Why matched: Airworthiness Directives; Honeywell International Inc. (Type Certificate Previously Held by AlliedSignal Inc., Garrett Turbine Engine Company) Turbofan Engines
Airworthiness Directives; Honeywell International Inc. Turboprop Engines
Unsafe Condition: The FAA is correcting an airworthiness directive (AD) that published in the Federal Register. That AD applies to all Honeywell International Inc. TPE331-1, -2, -2UA, -3U, -3UW, -5, -5A, -5AB, -5B, ...
Why matched: Airworthiness Directives; Honeywell International Inc. Turboprop Engines
Airworthiness Directives; Honeywell International Inc. Turboprop Engines
Unsafe Condition: Loss of the fuel control drive, leading to engine overspeed, overtorque, overtemperature, uncontained rotor failure, and asymmetric thrust in multi-engine airplanes.
Why matched: Airworthiness Directives; Bell Helicopter Textron, Inc. (BHTI) Helicopters
Airworthiness Directives; Honeywell International Inc. Air Data Pressure Transducers
Unsafe Condition: Inaccuracies of the pressure sensors could result in altitude, computed airspeed, true airspeed, and Mach computation errors, reducing the ability of the flightcrew to maintain the safe flight of t...
Why matched: Airworthiness Directives; Honeywell International Inc. Air Data Pressure Transducers
Airworthiness Directives; Honeywell International Inc. Air Data Pressure Transducers
Unsafe Condition: Inaccuracies of the pressure sensors could result in altitude, computed airspeed, true airspeed, and Mach computation errors, which could reduce the ability of the flightcrew to maintain the safe f...
Why matched: Airworthiness Directives; Honeywell International Inc. Air Data Pressure Transducers
Airworthiness Directives; Honeywell International Inc. (Type Certificate Previously Held by AlliedSignal Inc., Garrett Turbine Engine Company) Turbofan Engines
Unsafe Condition: Reports of LPT2 blade separations indicate the presence of casting anomalies at or near the root of the LPT2 blade, which could result in LPT2 blade failure, multiple engine in-flight shutdowns, an...
Why matched: Airworthiness Directives; Honeywell International Inc. (Type Certificate Previously Held by AlliedSignal Inc., Garrett Turbine Engine Company) Turbofan Engines
Airworthiness Directives; Honeywell International Inc. Air Data Pressure Transducers
Unsafe Condition: Pressure measurement error in Honeywell International Inc. air data pressure transducers, resulting in inaccuracies of pressure sensors that could lead to altitude, computed airspeed, true airspeed...
Why matched: Airworthiness Directives; Honeywell International Inc. Air Data Pressure Transducers
Airworthiness Directives; Honeywell International Inc. Turbofan Engines
Unsafe Condition: A rim/web separation of a first stage low-pressure turbine (LPT1) rotor assembly, which could lead to uncontained disk separation, engine failure, and damage to the airplane.
Why matched: Airworthiness Directives; Honeywell International Inc. Turbofan Engines
Airworthiness Directives; Honeywell International Inc. Turbofan Engines
Unsafe Condition: During LPT rotor acceleration, 2nd stage low-pressure turbine (LPT2) rotor blades may contact and damage the 3rd stage LPT (LPT3) nozzle seal carrier, leading to fatigue and subsequent rotor damage...
Why matched: Airworthiness Directives; Honeywell International Inc. Turbofan Engines
Airworthiness Directives; Honeywell International, Inc. Global Navigation Satellite Sensor Units
Unsafe Condition: A software problem in the Honeywell International, Inc. Model KGS200 Mercury extsuperscript{2} WAAS GNSSU could result in an incorrect ionospheric correction and error estimate, leading to misleadi...
Why matched: Airworthiness Directives; Honeywell International, Inc. Global Navigation Satellite Sensor Units
Airworthiness Directives; Honeywell International, Inc. Turbofan Engines
Unsafe Condition: Two reports of engines experiencing uncontained release of low-pressure (LP) turbine blades. This AD aims to prevent LP turbine overspeed leading to uncontained release of the LP turbine blades and...
Why matched: Airworthiness Directives; Honeywell International, Inc. Turbofan Engines