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

CFM International CFM56-7B27A

1 aircraft on the U.S. register carry a CFM International CFM56-7B27A engine, rated at about 27,300 pounds of thrust. The Boeing 737 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 CFM International CFM56-7B27A. FAA spelling: CFM56-7B27A.

Fitted to model families

Boeing 7371

Boeing 737

Where they are owner's state

Utah1

Kind of aircraft

Airliners and large jets1 (100%)

When the aircraft were built by decade

0001112010

What the FAA has certified, ordered and been told about the CFM International CFM56-7B27A the component layer

The design is held under 2 type certificates. The FAA has issued 19 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 1 failure report with the FAA since 1995, 1 of them in the last ten years.

FAA orders 19 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 CFM56-7B27A

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

00011122

Parts most often reported as the reports name them

Bearing1

Latest reports

2022-02-18Bearing: out of tolerance

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
  • Utah 1 of these aircraft
Biggest operators

These connections as data: /graph/engine/cfm-international-cfm56-7b27a.json · about the eFlight graph.

Aircraft newest certificates first · 1

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N8674B Boeing
737-8H4
Fixed-wing, multi-engine Umb Bank Na Trustee
Salt Lake City, Utah
Standard 2024-12-30 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.