The U.S. aircraft register, updated daily
Engines · turbofan · data as of October 7, 2026

Pratt & Whitney PW4052

1 aircraft on the U.S. register carry a Pratt & Whitney PW4052 engine, rated at about 52,200 pounds of thrust. The Boeing 767 is the model most often fitted with it (1 aircraft).

The FAA records engines by code, usually at the level of a series ("O-320 series") rather than the exact variant; this page gathers every FAA code that reads as Pratt & Whitney PW4052. FAA spelling: PW4052.

Fitted to model families

Boeing 7671

Boeing 767

Where they are owner's state

Illinois1

Kind of aircraft

Airliners and large jets1 (100%)

When the aircraft were built by decade

0001111990

What the FAA has certified, ordered and been told about the Pratt & Whitney PW4052 the component layer

The design is held under 1 type certificate (E24NE, held by Pratt & Whitney Division). The FAA has issued 37 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 1,128 failure reports with the FAA since 1995, 8 of them in the last ten years.

FAA orders 37 airworthiness directives · newest first

2018-07-202018-13-02 · Turbine Engine Combustion Section · engine
2016-06-012016-08-09 · HPC 10th stage disk · engine
2015-12-012015-22-03 · LPT 4th stage IAS · engine
2012-12-192012-22-16 · 3rd stage LPT duct segments · engine
2012-11-072012-14-09 · 3rd and 4th stage vane fractures · engine
2012-10-222012-18-17 · HPC drum rotor disk assembly · engine

All orders naming the Pratt & Whitney PW4052

Failure reports 1,128 since · what operators and shops told the FAA

0531061582119904091421125

Parts most often reported as the reports name them

Light208Connector32Battery29Wire28Lamp26Skin22Engine21Battery Pack19Stiffener19Shutoff Valve18

Latest reports

2025-07-27Check Valve: faulted
2022-04-09Magnetic Plug: separated
2021-01-12Case: cracked
2019-12-20Actuator: malfunctioned
2017-06-01Wire Harness: chafed

Certificates and bulletins

E24NEType certificate held by Pratt & Whitney Division · 16 models listed · revised June 25, 2024

Safety bulletins 5 · advice, not orders

2019-02-19NE-19-02 · Turbine Engine Compressor Section -- Low-pressure turbine uncontainment
2016-01-14NE-16-01R1 · Turbine Section
2015-10-05NE-16-01 · Turbine Section
2015-07-14NE-15-19 · Turbine Section
2013-05-09NE-13-31 · Turbine Engine Oil System Scavenge Oil Tube Coking and Proper Cleaning at Overhaul

Sources: the FAA's type certificate data sheets, airworthiness directives, supplemental type certificates, special conditions and special airworthiness information bulletins (Dynamic Regulatory System), and the FAA's service difficulty reports. A failure report is what an operator or repair station chose to file; the counts show reporting as much as reliability, and larger and commercial fleets report more. How the systems are grouped.

Connections how this engine series links to the rest of the register

Fitted to
Where they are
Biggest operators
Airworthiness

These connections as data: /graph/engine/pratt-whitney-pw4052.json · about the eFlight graph.

Aircraft newest certificates first · 1

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N670UA Boeing
767-322
Fixed-wing, multi-engine United Airlines INC
Chicago, Illinois
Standard 2013-04-01 ValidFAA registration status code V: Valid registration. All codes

Source: FAA Civil Aviation Registry, Releasable Aircraft Database (the engine reference table and each aircraft's engine code), October 7, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.