Business · 16/11/1994Updated: 10/18/2026 · 1 min read

AlliedSignal Inc. to Implement Safety Measures for TFE731-3A and -3AR Model Turbofan Engines

Summary

The company is adopting a new airworthiness directive to address reports of low-pressure turbine disk web separations, requiring removal from service, hourly life limits, and inspections to prevent engine failures and aircraft damage.

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 · 9/14/2026

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 →

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The Federal Aviation Administration (FAA) has superseded Airworthiness Directive (AD) 2020-06-16 for certain Rolls-Royce Deutschland Ltd & Co KG (RRD) Model RB211 Trent 768-60, 772-60, and 772B-60 engines, requiring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 · 9/15/2026

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 · 9/14/2026

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 Dassault Aviation Airplanes

The Federal Aviation Administration (FAA) is proposing a new airworthiness directive (AD) to address a safety issue with passenger seats on certain Dassault Aviation models, including the FALCON 6X, FALCON 7X, FALCON 900EX, and FALCON 2000EX, due to reports of seats sliding without passenger input.

Read summary →

Business · 9/14/2026

FAA Proposes New Airworthiness Directive for Airbus A330 and A340 Aircraft

The Federal Aviation Administration (FAA) is proposing a new airworthiness directive (AD) to address an unsafe condition on certain Airbus A330 and A340 aircraft, requiring modifications to the trimmable horizontal stabilizer actuator installation and the installation of an electrical load sensing device (ELSD).

Read summary →