RegNotify

EASA Regulations for Pratt & Whitney PW1900G

11 airworthiness directives and regulations affecting Pratt & Whitney PW1900G.

EASA AD US-2025-04-13

Engine - High-Pressure Compressor (HPC) 7th-Stage Axial Rotor - Inspections / Replacement

The document titled 'Engine - High-Pressure Compressor (HPC) 7th-Stage Axial Rotor - Inspections / Replacement' is a regulatory directive concerning the inspection and replacement requirements for the 7th-stage axial rotor of the high-pressure compressor in certain aircraft engines. It addresses maintenance procedures to ensure the continued airworthiness and safety of affected engines. Specific aircraft types or engine models are not clearly identified in the provided text.

Mar 14, 2025
Airworthiness DirectiveMaintenanceSafety MgmtPratt & Whitney PW1500GPratt & Whitney PW1900G

EASA AD US-2024-06-04

Engine - High Pressure Turbine (HPT) 1st and 2nd Stage Hubs, High Pressure Compressor (HPC) 8th Stage Disks - Inspection / HPC 7th Stage Rotors, HPC 8th Stage Disks, HPC Rear Hubs, HPT 1st and 2nd Stage Hubs, HPT 1st and 2nd Stage Air Seals, HPT 1st and 2nd Stage Blade Retaining Plates - Replacement

The Federal Aviation Administration's Airworthiness Directive 2024-06-04 is a final rule addressing certain Pratt & Whitney turbofan engines including models PW1519G, PW1521G, PW1521GA, PW1521G-3, PW1524G, PW1524G-3, PW1525G, PW1525G-3, PW1919G, PW1921G, PW1922G, PW1923G, and PW1923G-A. This directive mandates inspections and accelerated replacement of specific high-pressure turbine and compressor components due to a risk of failure identified after an incident involving an International Aero Engines PW1127GA-JM engine. The AD aims to prevent engine shutdowns and aborted takeoffs caused by component failures.

Apr 12, 2024
Airworthiness DirectiveMaintenanceSafety MgmtPratt & Whitney PW1500GPratt & Whitney PW1900G

EASA AD US-2022-15-03

Engine - Low Pressure Compressor Rotor 1 - Inspection / Installation / Replacement

Federal Aviation Administration Airworthiness Directive 2022-15-03 is a final rule addressing Pratt & Whitney PW1519G, PW1521G, PW1521G-3, PW1521GA, PW1524G, PW1524G-3, PW1525G, PW1525G-3, PW1919G, PW1921G, PW1922G, PW1923G, and PW1923G-A turbofan engines. It mandates inspections and replacements related to the low-pressure compressor rotor 1 and requires installation of updated electronic engine control full authority digital electronic control software and a redesigned compressor intermediate case assembly. This directive aims to mitigate unsafe conditions caused by LPC rotor failures and software incompatibilities.

Jul 26, 2022
Airworthiness DirectiveMaintenanceSafety MgmtPratt & Whitney PW1500GPratt & Whitney PW1900G

EASA AD US-2022-02-05

Engine - High Pressure Turbine Stage 1/2 Disks - Replacement

The Federal Aviation Administration's Airworthiness Directive 2022-02-05 addresses certain Pratt & Whitney PW1500G and PW1900G model turbofan engines installed on aircraft such as the Airbus A321-231. This directive mandates the removal and replacement of specific high-pressure turbine (HPT) 1st-stage and 2nd-stage disks due to a risk of uncontained disk failure. The directive aims to prevent engine damage and potential loss of the airplane caused by high-energy debris from disk failures.

Jan 12, 2022
Airworthiness DirectiveMaintenanceSafety MgmtPratt & Whitney PW1500GPratt & Whitney PW1900GAirbus A321-231

EASA AD US-2021-20-01

Engine - High Pressure Turbine Stage 1 Hub / Blade Retaining Plate - Replacement

The Federal Aviation Administration's Airworthiness Directive 2021-20-01 addresses Pratt & Whitney PW1500G and PW1900G series turbofan engines equipped with certain high-pressure turbine (HPT) 1st-stage hubs and HPT rotor 1st-stage blade retaining plates. This directive mandates the removal and replacement of these parts before reaching specified cycle limits to prevent potential failure. The directive applies to multiple engine models including PW1519G, PW1521G, PW1524G, PW1919G, and others.

Sep 23, 2021
Airworthiness DirectiveMaintenanceSafety MgmtPratt & Whitney PW1500GPratt & Whitney PW1900G

EASA AD US-2021-17-09

Engine - High-Pressure Compressor Front Hub and Rotor Shaft - Removal / Replacement

The Federal Aviation Administration's Airworthiness Directive 2021-17-09 is a final rule addressing Pratt & Whitney PW1500G and PW1900G series turbofan engines. It mandates the removal and replacement of the high-pressure compressor (HPC) front hub and HPC rotor shaft due to reported cracks that caused in-flight shutdowns and unscheduled engine removals. This directive aims to enhance engine safety and reliability for affected aircraft using these engines.

Aug 19, 2021
Airworthiness DirectiveMaintenanceSafety MgmtPratt & Whitney PW1500GPratt & Whitney PW1900G

EASA AD US-2021-14-06

SUPERSEDED BY FAA AD 2022-15-03

FAA Airworthiness Directive 2021-14-06 is a final rule addressing Pratt & Whitney PW1500G series turbofan engines, including models PW1519G, PW1521G, PW1521G-3, PW1521GA, PW1524G, PW1524G-3, PW1525G, PW1525G-3, PW1919G, PW1921G, PW1922G, PW1923G, and PW1923G-A. This directive mandates inspections and software updates to mitigate risks associated with low-pressure compressor rotor 1 (LPC R1) failures. It supersedes previous ADs related to these engines to enhance safety and operational reliability.

Jul 12, 2021
Airworthiness DirectiveMaintenanceSafety MgmtPratt & Whitney PW1500GPratt & Whitney PW1900G

EASA AD US-2020-04-01

Engine - LP10 Oil Supply Tube & Fuel Oil Cooler - Inspection

FAA Airworthiness Directive 2020-04-01 is a final rule addressing Pratt & Whitney PW1519G, PW1521G, PW1521GA, PW1524G, PW1525G, PW1521G-3, PW1524G-3, PW1525G-3, PW1919G, PW1921G, PW1922G, PW1923G, and PW1923G-A model turbofan engines. It mandates inspections and potential replacement of the LP10 oil supply tube and the fuel oil cooler (FOC) due to reports of in-flight shutdowns caused by oil leaks at their connection. This directive aims to prevent engine fires and damage to aircraft.

Feb 25, 2020
Airworthiness DirectiveMaintenanceSafety MgmtPratt & Whitney PW1500GPratt & Whitney PW1900G

EASA AD US-2019-21-11

SUPERSEDED BY FAA AD 2021-14-06

FAA Airworthiness Directive 2019-21-11 is a final rule addressing certain Pratt & Whitney PW1519G, PW1521G, PW1521GA, PW1524G, PW1525G, PW1521G-3, PW1524G-3, PW1525G-3, PW1919G, PW1921G, PW1922G, PW1923G, and PW1923G-A turbofan engines. This directive mandates inspections of the low-pressure compressor rotor 1 (LPC R1) for cracks or damage to prevent in-flight failures. It removes the previous requirement to inspect the LPC inlet guide vane (IGV) for alignment and expands applicability to additional engine models.

Oct 29, 2019
Airworthiness DirectiveMaintenanceSafety MgmtPratt & Whitney PW1500GPratt & Whitney PW1900G

EASA AD US-2019-19-11

SUPERSEDED BY FAA AD 2019-21-11

FAA Airworthiness Directive 2019-19-11 is a final rule addressing certain Pratt & Whitney PW1500G and PW1900G model turbofan engines. It mandates initial and repetitive inspections of the low-pressure compressor inlet guide vane and rotor 1, with potential replacement of the low-pressure compressor based on inspection results. This directive aims to prevent failures that have caused recent in-flight shutdowns.

Sep 26, 2019
Airworthiness DirectiveMaintenanceSafety MgmtPratt & Whitney PW1500GPratt & Whitney PW1900G

EASA AD US-2019-16-15

Engine - High-Pressure Compressor Front Hub - Revision of the Airworthiness Limitations Section and the Continued Airworthiness Maintenance Programs

The document titled "Engine - High-Pressure Compressor Front Hub - Revision of the Airworthiness Limitations Section and the Continued Airworthiness Maintenance Programs" is a final rule airworthiness directive issued by the FAA affecting Pratt & Whitney PW1519G, PW1521G, PW1521GA, PW1524G, PW1525G, PW1521G-3, PW1524G-3, PW1525G-3, PW1919G, PW1921G, PW1922G, PW1923G, and PW1923G-A model turbofan engines. It addresses corrosion issues found on the high-pressure compressor front hub that could lead to premature cracking. The directive mandates revisions to the Airworthiness Limitations Section and continued airworthiness maintenance programs to incorporate new or more restrictive life limits for the HPC front hub.

Aug 28, 2019
Airworthiness DirectiveMaintenanceSafety MgmtPratt & Whitney PW1500GPratt & Whitney PW1900G