64 ADs indexed for AlliedSignal Inc. aircraft.
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. (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. (Formerly AlliedSignal Inc. and Garrett Turbine Engine Co.) TFE731-2 and -3 Series Turbofan Engines
Unsafe Condition: could result in an uncontained engine failure and damage to the airplane.
Why matched: Airworthiness Directives; Honeywell International Inc. (Formerly AlliedSignal Inc. and Garrett Turbine Engine Co.) TFE731-2 and -3 Series Turbofan Engines
Airworthiness Directives; Honeywell International Inc. (Formerly AlliedSignal Inc., Garrett Turbine Engine Company, and AiResearch Manufacturing Company of Arizona) TPE331-10 and -11 Series Turboprop Engines
Unsafe Condition: The FAA is adopting a new airworthiness directive (AD) for Honeywell International Inc. (formerly AlliedSignal Inc., Garrett Turbine Engine Company, and AiResearch Manufacturing Company of Arizona)...
Why matched: Airworthiness Directives; Honeywell International Inc. (Formerly AlliedSignal Inc., Garrett Turbine Engine Company, and AiResearch Manufacturing Company of Arizona) TPE331-10 and -11 Series Turboprop Engines
Airworthiness Directives; Honeywell International, Inc. (formerly AlliedSignal Inc., and Textron Lycoming) ALF502 and LF507 Series Turbofan Engines
Unsafe Condition: Continuous analysis of field-returned hardware indicates smaller service life margins than originally expected, which could lead to GPT component failure and an uncontained engine failure.
Why matched: Airworthiness Directives; Honeywell International, Inc. (formerly AlliedSignal Inc., and Textron Lycoming) ALF502 and LF507 Series Turbofan Engines
Airworthiness Directives; Honeywell International Inc. (Formerly AlliedSignal Inc. and Garrett Turbine Engine Company) TPE331-11U, -12B, -12JR, -12UA, -12UAR, and -12UHR Series Turboprop Engines
Unsafe Condition: Reports of spur gearshaft (bull gear) rim separations and high-speed pinion (HSP) assembly failures.
Why matched: Airworthiness Directives; Honeywell International Inc. (Formerly AlliedSignal Inc. and Garrett Turbine Engine Company) TPE331-11U, -12B, -12JR, -12UA, -12UAR, and -12UHR Series Turboprop Engines
Airworthiness Directives; Honeywell International Inc. (formerly AlliedSignal Inc. and Textron Lycoming) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines
Unsafe Condition: Impeller failure from cracks in the impeller back face area, which could result in an uncontained engine failure.
Why matched: Airworthiness Directives; Honeywell International Inc. (formerly AlliedSignal Inc. and Textron Lycoming) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines
Airworthiness Directives; Honeywell International Inc. (Formerly AlliedSignal Inc. and Textron Lycoming) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines
Unsafe Condition: A machining discrepancy during manufacture of certain impellers may result in cracks in the impeller back face area, potentially leading to impeller failure and an uncontained engine failure.
Why matched: Airworthiness Directives; Honeywell International Inc. (Formerly AlliedSignal Inc. and Textron Lycoming) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines
Airworthiness Directives; Honeywell International Inc. (formerly AlliedSignal Inc. and Textron Lycoming) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines
Unsafe Condition: Impeller failure from cracks in the impeller back face area, which could result in an uncontained engine failure.
Why matched: Airworthiness Directives; Honeywell International Inc. (formerly AlliedSignal Inc. and Textron Lycoming) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines
Airworthiness Directives; Honeywell International Inc. (formerly AlliedSignal Inc. and Garrett Turbine Engine Company) TPE331-8, -10N, and -12B Turboprop Engines
Unsafe Condition: Uncommanded torque increase to 150% within 5 seconds of initial torque acceleration, leading to asymmetric thrust and potential loss of control.
Why matched: Airworthiness Directives; Honeywell International Inc. (formerly AlliedSignal Inc. and Garrett Turbine Engine Company) TPE331-8, -10N, and -12B Turboprop Engines
Airworthiness Directives; Honeywell International Inc. (formerly AlliedSignal Inc. and Textron Lycoming Inc.) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines
Unsafe Condition: Worn splines in fuel pumps which could cause engine fuel pump failure, resulting in total engine power loss and possible loss of the aircraft.
Why matched: Airworthiness Directives; Honeywell International Inc. (formerly AlliedSignal Inc. and Textron Lycoming Inc.) LTS101 Series Turboshaft and LTP101 Series Turboprop Engines
Airworthiness Directives; Honeywell International Inc. (Formerly AlliedSignal Inc.) ALF502R and LF507 Series Turbofan Engines
Unsafe Condition: Uncontained failures of critical rotating engine parts, which could result in damage to the airplane.
Why matched: Airworthiness Directives; Honeywell International Inc. (formerly AlliedSignal Inc.) ALF502R and LF507 Series Turbofan Engines
Airworthiness Directives; Honeywell International (formerly AlliedSignal Inc.) 36-300(A), 36-280(B), and 36-280(D) Series Auxiliary Power Units
Unsafe Condition: Reports of load compressor impeller failures have been received, which could lead to an uncontained APU failure and damage to the airplane.
Airworthiness Directives; Honeywell International (formerly AlliedSignal Inc.) 36-300(A), 36-280(B), and 36-280(D) Series Auxiliary Power Units
Unsafe Condition: Auxiliary Power Units
Why matched: Airworthiness Directives; Honeywell International (formerly AlliedSignal Inc.) 36-300(A), 36-280(B), and 36-280(D) Series Auxiliary Power Units
Airworthiness Directives; AlliedSignal Inc. ALF502 and LF507 Series Turbofan Engines
Unsafe Condition: This amendment supersedes two existing airworthiness directives (AD's), applicable to AlliedSignal Inc. ALF502 and LF507 series turbofan engines, that require rework or replacement of No. 4 and 5 b...
Why matched: Airworthiness Directives; AlliedSignal Inc. ALF502 and LF507 Series Turbofan Engines
Airworthiness Directives; AlliedSignal Inc. TFE731 Series Turbofan Engines
Unsafe Condition: Cracking of the fuel tube and subsequent leakage of fuel on or around electrical components, which can cause an engine fire.
Why matched: Airworthiness Directives; AlliedSignal Inc. TFE731 Series Turbofan Engines
Airworthiness Directives; AlliedSignal Inc. (Formerly Textron Lycoming) Model ALF502R-5 and ALF502R-3A Turborfan Engines
Unsafe Condition: Reports of uncommanded reduction of engine thrust (rollback) and loss of thrust control in icing conditions.
Why matched: Airworthiness Directives; AlliedSignal Inc. (Formerly Textron Lycoming) Model ALF502R-5 and ALF502R-3A Turborfan Engines
Airworthiness Directives; AlliedSignal Inc. (formerly Textron Lycoming) Model ALF502R-5 and ALF502R-3A Turbofan Engines
Unsafe Condition: Ice accretion on the fan core inlet stator vane surfaces can result in engine rollback and loss of thrust control in icing conditions.
Why matched: Airworthiness Directives; AlliedSignal Inc. (formerly Textron Lycoming) Model ALF502R-5 and ALF502R-3A Turbofan Engines
Airworthiness Directives; AlliedSignal Inc. VN 411B Very High Frequency (VHF) Navigation Receivers
Unsafe Condition: VHF navigation receiver interference from frequency modulation (FM) radio station broadcast frequencies could cause distortion of the navigation audio and deflection of the desired flight path duri...
Why matched: Airworthiness Directives; AlliedSignal Inc. VN 411B Very High Frequency (VHF) Navigation Receivers
Airworthiness Directives; AlliedSignal Inc. VN 411B Very High Frequency (VHF) Navigation Receivers
Unsafe Condition: Navigation receiver interference during landing operations caused by frequency modulation (FM) radio station broadcasts, leading to distortion of navigation audio and deflection of the desired flig...