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The Federal Aviation Administration (FAA) has issued a final rule to adopt a new airworthiness directive (AD) for certain Pratt & Whitney Canada Corp. engines, specifically the PW535E and PW535E1 models. This directive is in response to findings from a design review that showed some bolts on the engines might crack due to low-cycle fatigue, which poses a safety risk. The AD mandates routine inspections and potential replacements of these bolts to prevent any danger to the aircraft. Compliance with these rules is required by April 23, 2025, and aims to ensure the continued safe operation of aircraft using these engines.

The Federal Aviation Administration (FAA) has updated the schedule for restricted airspace at the Grand Bay Weapons Range in Georgia. This change extends the hours during which these areas (R-3008A, R-3008B, R-3008C, and R-3008D) can be activated without requiring a Notice to Airmen (NOTAM), aligning the published hours more closely with their actual use. As a result, pilots will have a clearer understanding of when these areas are typically in use, and the workload related to issuing NOTAMs will be reduced. The rule change becomes effective on April 22, 2021.

The Federal Aviation Administration (FAA) has proposed a new airworthiness directive (AD) for specific Bombardier Model BD-100-1A10 airplanes due to DC motor pump (DCMP) failures that occurred during production flight tests. This proposed AD would require installing a redesigned DCMP electric motor assembly to prevent disconnection of electrical system generators caused by excessive voltage. Comments on this proposal are welcome until April 12, 2021, and the FAA aims to address the unsafe conditions in these airplanes with this directive.

The Federal Aviation Administration (FAA) has withdrawn a proposed rule that would have required changes to certain Sikorsky model helicopters. This decision was made because the issue that prompted the rule, a faulty life raft deployment handle, has been addressed by replacing all the affected handles. The original rule was intended to prevent a handle malfunction that could stop the life raft from deploying in emergencies. The FAA confirmed no public comments were received about the rule or its cost, and they concluded that the rule is no longer necessary.

The Federal Aviation Administration (FAA) has issued a new rule concerning certain models of Pratt & Whitney engines. Prompted by an incident where a specific engine part failed leading to an aborted takeoff, this rule requires inspections and possible replacements of the high-pressure compressor 7th-stage axial rotors on these engines to ensure safety. Inspections must be conducted whenever the rotor is exposed during engine maintenance, and parts showing signs of cracks must be replaced. This rule applies to several engine models and comes into effect on April 8, 2025, with the intention to prevent similar unsafe incidents in the future.

The Federal Aviation Administration (FAA) has issued a final rule to address a safety issue found in certain CFM International LEAP-1B engines. The problem involves a manufacturing defect in high-pressure compressor seals, which might cause damage to engine components during use. To resolve this, the FAA requires that operators perform specific inspections and replace the affected parts if necessary, to prevent potential engine failure and aircraft damage. These changes will take effect on February 12, 2025.

The Federal Aviation Administration (FAA) has proposed a new airworthiness directive for certain Boeing airplanes, including various DC-10 and MD-10 models. This proposal is due to a reported crack in the pylon aft bulkhead bracket found during an inspection. The directive would require inspections and potential modifications to fix the issue and ensure airplane safety. Comments on the proposal are invited by March 1, 2021, with specific procedures for submitting them provided by the FAA.

The Federal Aviation Administration (FAA) has proposed a new airworthiness directive for some Rolls-Royce Deutschland BR700 model turbofan engines due to a manufacturing issue that escaped previous detection. This issue affects the disks in the high-pressure turbine of certain engines, which may fail and cause unsafe conditions if not addressed. The directive would mandate the removal and replacement of the affected disks before they reach a specific number of flight cycles or during the next maintenance visit. This proposed action aims to prevent potential damage and maintain aviation safety.

The Federal Aviation Administration (FAA) has issued a new airworthiness directive (AD) for certain Boeing Model 767-200, -300, and -400ER series airplanes. This AD requires actions to prevent water leakage from damaging essential electronic components after a report showed potential safety issues during potable water servicing. The directive mandates the installation of protective measures like hoseducts and a potable water system leakage test. These changes are critical to ensure the airplanes remain safe for flight and landing. The AD is effective from March 7, 2025, and also includes specifics on compliance and exceptions for certain aircraft configurations.

The Federal Aviation Administration (FAA) is updating a rule to replace a previous directive about airworthiness for certain Airbus SAS airplanes. This update, which affects various models of Airbus A319, A320, and A321, includes new inspection requirements and prohibits using certain repair tasks that were previously allowed. The FAA is addressing these changes to prevent potential safety hazards, like fatigue cracking in the wings, and is inviting public feedback on this new proposal. The deadline for submitting comments is March 31, 2025.