The U.S. aircraft register, updated daily
Engines · turbofan · data as of October 5, 2026

CFM International CFM56-7B26/2

2 aircraft on the U.S. register carry a CFM International CFM56-7B26/2 engine, rated at about 26,300 pounds of thrust. The Boeing 737 is the model most often fitted with it (2 aircraft). The aircraft carrying it were built between 2008 and 2010.

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 CFM International CFM56-7B26/2. FAA spelling: CFM56-7B26/2.

Fitted to model families

Boeing 7372

Boeing 737

Where they are owner's state

Illinois2

Kind of aircraft

Airliners and large jets2 (100%)

When the aircraft were built by decade

000111200012010

What the FAA has certified, ordered and been told about the CFM International CFM56-7B26/2 the component layer

The design is held under 2 type certificates. The FAA has issued 25 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 349 failure reports with the FAA since 1995, 268 of them in the last ten years.

FAA orders 25 airworthiness directives · newest first

2023-05-102023-05-05 · Turbine Engine Compressor Section · engine
2022-03-222022-02-03 · Turbine Engine Accessory Drive · engine
2021-09-282021-16-08 · Turbine Section · engine
2021-06-242021-10-09 · Turbine Engine Compressor Section · engine
2019-07-052019-12-05 · Turbine Section · engine
2019-01-102018-26-01 · Turbine Engine Compressor Section · engine

All orders naming the CFM International CFM56-7B26/2

Failure reports 349 since · what operators and shops told the FAA

010203040101520254026

Parts most often reported as the reports name them

Engine65Blade13Wire Harness12Hmu11Anti-Ice Valve10Oil System8Pump8Actuator7Seal7Warning Light7

Latest reports

2026-09-29Engine: failed
2026-09-28Wire Harness: faulted
2026-09-28Socket: faulted
2026-09-21Engine: no discrepancy
2026-09-16Battery Pack: faulted

Certificates and bulletins

E00055ENType certificate held by Cfm International S.A. · 49 models listed · revised August 19, 2024
E00056ENType certificate held by Cfm International S.A. · 49 models listed · revised August 19, 2024

Safety bulletins 4 · advice, not orders

2014-05-28NE-08-17R3 · Turbine Section - Propulsion Technology LLC Unapproved Repair
2011-03-07NE-08-17R2 · Turbine Section - Propulsion Technology LLC Unapproved Repair
2008-05-22NE-08-17R1 · Propulsion Technology LLC Unapproved Repair
2008-05-14NE-08-17 · Propulsion Technologies International Unapproved Repair

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

These connections as data: /graph/engine/cfm-international-cfm56-7b26-2.json · about the eFlight graph.

Aircraft newest certificates first · 2

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N38443 Boeing
737-924ER
Fixed-wing, multi-engine United Airlines INC
Chicago, Illinois
Standard 2010-12-21 ValidFAA registration status code V: Valid registration. All codes
N39415 Boeing
737-924ER
Fixed-wing, multi-engine United Airlines INC
Chicago, Illinois
Standard 2008-02-15 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 5, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.