EASA Regulations for Honeywell International AS907

3 airworthiness directives and regulations affecting Honeywell International AS907.

EASA AD US-2023-24-04

Engine / Engine Controls - Electronic Control Unit / Software - Replacement

The Federal Aviation Administration's Airworthiness Directive 2023-24-04 is a final rule addressing Honeywell International Inc. Model AS907-1-1A and AS907-2-1G engines. It targets an unsafe condition caused by compressor surges during takeoff climb through steep temperature inversions, which can lead to loss of engine thrust control. This directive mandates software updates or ECU replacements to mitigate this risk.

Jan 3, 2024

Airworthiness DirectiveMaintenanceSafety MgmtHoneywell International AS907

EASA AD US-2018-21-01

Engine - Stage 2 Low Pressure Turbine Blades - Inspection / Replacement

Airworthiness Directive 2018-21-01 is a final rule issued by the FAA addressing Honeywell International Inc. AS907-1-1A turbofan engines equipped with second stage low-pressure turbine (LPT2) rotor blades, part number 3035602-1. This directive mandates a one-time inspection of the LPT2 blades and requires replacement if the blades fail inspection to ensure continued airworthiness and safety.

Nov 14, 2018

Airworthiness DirectiveMaintenanceSafety MgmtHoneywell International AS907

EASA AD US-2018-04-13

Engine Controls - Engine Electronic Control Unit (ECU) - Sealant Application

Federal Aviation Administration Airworthiness Directive 2018-04-13 is a final rule addressing certain Honeywell International Inc. AS907 series turbofan engines. It requires applying sealant to specific areas of the engine electronic control unit (ECU) to prevent water intrusion and inserting updated airplane operating procedures into flight manuals. This directive targets engines that have experienced loss-of-thrust-control events due to ECU water intrusion.

Mar 9, 2018

Airworthiness DirectiveMaintenanceFlight OpsSafety MgmtHoneywell International AS907