Business · 05/05/1994Updated: 10/16/2026 · 1 min read

Airworthiness Directives; Allied-Signal Inc., Garrett Engine Division, TPE331 Series Turboprop and Model TSE331-3U Turboshaft Engines

Summary

The Federal Aviation Administration (FAA) adopts a new airworthiness directive requiring inspection and replacement of third stage turbine stator assemblies in certain Allied-Signal Inc., Garrett Engine Division, TPE331 series turboprop and Model TSE331-3U turboshaft engines to prevent an uncontained failure of the third stage turbine wheel.

Original source language: Federal Register — Transportation DepartmentOpen original release →

Add your company to Business Communicator

We monitor business sources and connect attention with companies, profiles and services available in Business Communicator.

Create a free company profile Explore businesses on Business Maps →

Create a free company profile →

Explore insights

Business insights →

Global Markets News Trade Regulation News Business Technology News Fintech for Business: Payments & Banking News Supply Chain News Central Bank Policy News

Related business signals

Business · 9/15/2026

FAA Adopts New Airworthiness Directive for Pilatus PC-24 Airplanes

The Federal Aviation Administration (FAA) has issued a new airworthiness directive (AD) for Pilatus Aircraft Ltd.'s Model PC-24 airplanes, requiring modification and replacement of a faulty solid-state relay in the left-hand windshield heating system to address an unsafe condition.

Read summary →

Business · 9/11/2026

Rolls-Royce Deutschland Ltd & Co KG Engines: FAA Issues Superseding Airworthiness Directive

The Federal Aviation Administration (FAA) has superseded Airworthiness Directive (AD) 2020-06-16 for certain Rolls-Royce Deutschland Ltd & Co KG (RRD) Model RB211 Trent 768-60, 772-60, and 772B-60 engines, requiring initial and repetitive ultrasonic inspections of the affected low-pressure compressor blades to address an unsafe condition.

Read summary →

Business · 9/11/2026

FAA Issues Revised Airworthiness Directive for Gulfstream Aerospace LP Model G150 Airplanes

The Federal Aviation Administration (FAA) has superseded Airworthiness Directive (AD) 2025-15-04, requiring Gulfstream Aerospace LP Model G150 airplane owners to revise their maintenance or inspection programs to incorporate new or more restrictive airworthiness limitations, in response to an unsafe condition.

Read summary →

Business · 9/11/2026

FAA Issues Revised Airworthiness Directive for Dassault Aviation Model FALCON 2000EX Airplanes

The Federal Aviation Administration (FAA) has superseded Airworthiness Directive (AD) 2023-23-06, requiring Dassault Aviation Model FALCON 2000EX airplane owners to revise their maintenance or inspection programs to incorporate new or more restrictive airworthiness limitations, in response to an unsafe condition.

Read summary →

Business · 9/14/2026

FAA Proposes New Airworthiness Directive for Bombardier Airplanes to Address Pitch Upset Issue

The Federal Aviation Administration (FAA) has proposed a new airworthiness directive (AD) for Bombardier, Inc.'s Model BD-100-1A10 airplanes to address reports of pitch upset upon autopilot disconnect, following engine indication and crew alerting system (EICAS) messages. The proposed AD aims to revise the existing flight manual to provide emergency procedures for stabilizing airspeed in certain conditions.

Read summary →

Business · 9/14/2026

FAA Proposes New Airworthiness Directive for CFM International Engines

The Federal Aviation Administration (FAA) has proposed a new airworthiness directive (AD) to address a safety issue with certain CFM International, S.A. (CFM) Model CFM56-5B, CFM56-5C, and CFM56-7B engines, which have experienced honeycomb separation from the surface of high-pressure turbine (HPT) inner stationary seals, prompting multiple reports and prompting the FAA to issue this proposed AD to ensure the safe operation of these aircraft engines.

Read summary →