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

CFM International CFM56-5B6/P

10 aircraft on the U.S. register carry a CFM International CFM56-5B6/P engine, rated at about 23,500 pounds of thrust. The Airbus A319 is the model most often fitted with it (9 aircraft). The aircraft carrying it were built between 2003 and 2009.

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 CFM56-5B6/P. FAA spelling: CFM56-5B6/P.

Fitted to model families

Airbus A3199Airbus A3201

Airbus A319 · Airbus A320

Where they are owner's state

Delaware5Nevada3Utah2

Kind of aircraft

Airliners and large jets10 (100%)

When the aircraft were built by decade

0247992000

What the FAA has certified, ordered and been told about the CFM International CFM56-5B6/P the component layer

The design is held under 2 type certificates. The FAA has issued 23 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 269 failure reports with the FAA since 1995, 132 of them in the last ten years.

FAA orders 23 airworthiness directives · newest first

2023-05-102023-05-05 · Turbine Engine Compressor Section · 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
2017-04-132017-05-09 · Accessory Gearboxes · engine
2016-03-012016-02-04 · Turbine rear frames (TRFs) · engine

All orders naming the CFM International CFM56-5B6/P

Failure reports 269 since · what operators and shops told the FAA

01632496508131823726

Parts most often reported as the reports name them

Engine55Floor Panel20Floorbeam10Actuator8Floor Support8Hmu7Bleed Valve6Pump6Sensor6Shear Plate6

Latest reports

2026-09-25Thrust Link: damaged
2026-07-17Engine: faulted
2026-07-09Compressor: stalled
2026-05-27Transducer: faulted
2026-03-30Check Valve: inoperative

Certificates and bulletins

E37NEType certificate held by Cfm International S.A. · 52 models listed · revised January 15, 2026
E38NEType certificate held by Cfm International S.A. · 52 models listed · revised January 15, 2026

Safety bulletins 3 · advice, not orders

2014-05-28NE-08-17R3 · Turbine Section - Propulsion Technology LLC Unapproved Repair
2012-04-27NE-12-29 · Engine Fuel Distribution CFM56-5B LPTACC Fuel Manifold
2011-03-07NE-08-17R2 · Turbine Section - Propulsion Technology LLC 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-cfm56-5b6-p.json · about the eFlight graph.

Aircraft newest certificates first · 10

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N553SX Airbus
A319-112
Fixed-wing, multi-engine Umb Bank Na Trustee
Salt Lake City, Utah
Standard 2021-09-01 ValidFAA registration status code V: Valid registration. All codes
N177XF Airbus
A319-112
Fixed-wing, multi-engine Wilmington Trust CO Trustee
Wilmington, Delaware
Standard 2019-08-27 ValidFAA registration status code V: Valid registration. All codes
N774XF Airbus
A319-112
Fixed-wing, multi-engine Wilmington Trust CO Trustee
Wilmington, Delaware
Standard 2019-06-05 ValidFAA registration status code V: Valid registration. All codes
N258NV Airbus
A320-214
Fixed-wing, multi-engine Bank of Utah Trustee
Salt Lake City, Utah
Standard 2018-02-14 ValidFAA registration status code V: Valid registration. All codes
N306NV Airbus
A319-112
Fixed-wing, multi-engine Sunrise Asset Management LLC
Las Vegas, Nevada
Standard 2015-06-15 ValidFAA registration status code V: Valid registration. All codes
N301NV Airbus
A319-112
Fixed-wing, multi-engine Sunrise Asset Management LLC
Las Vegas, Nevada
Standard 2014-08-19 ValidFAA registration status code V: Valid registration. All codes
N302NV Airbus
A319-112
Fixed-wing, multi-engine Sunrise Asset Management LLC
Las Vegas, Nevada
Standard 2014-08-19 ValidFAA registration status code V: Valid registration. All codes
N776XF Airbus
A319-112
Fixed-wing, multi-engine Wilmington Trust CO Trustee
Wilmington, Delaware
Standard 2013-03-15 ValidFAA registration status code V: Valid registration. All codes
N775XF Airbus
A319-112
Fixed-wing, multi-engine Wilmington Trust CO Trustee
Wilmington, Delaware
Standard 2013-02-26 ValidFAA registration status code V: Valid registration. All codes
N524VA Airbus
A319-112
Fixed-wing, multi-engine N524Va Trust
Wilmington, Delaware
Standard 2007-08-08 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.