✈️FAA Proposes Airworthiness Directive for Pratt & Whitney Engines
Airworthiness Directives; Pratt & Whitney Engines
Summary
The FAA proposes to adopt a new airworthiness directive (AD) for certain Pratt & Whitney (PW) Model F117-PW-100, PW2037, PW2037D, PW2037M, PW2040, PW2040D, PW2043, PW2143, and PW2643 engines. This proposed AD was prompted by an updated analysis of an event involving an International Aero Engines, LLC (IAE LLC) Model PW1127GA-JM engine, which experienced a high-pressure compressor (HPC) 7th-stage integrally bladed rotor (IBR-7) separation that resulted in an engine shutdown and aborted takeoff. This proposed AD would require repetitive angled ultrasonic inspections (AUSIs) of certain high-pressure turbine (HPT) 1st-stage disks and turbine hubs for any crack indications, and if necessary, removal from service and replacement, and removal from service of certain HPT lenticular seal assemblies. The FAA is proposing this AD to address the unsafe condition on these products.
Agencies
- Transportation Department
- Federal Aviation Administration
Business Impact
$$$ - High
The proposed airworthiness directive requires compliance with inspections and potential engine part replacements, which can lead to significant operational costs for affected businesses operating Pratt & Whitney engines. The FAA estimates costs associated with compliance, showcasing financial implications for operators regarding maintenance and potential replacement parts.