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

CFM International CFM56-5B3/P

11 aircraft on the U.S. register carry a CFM International CFM56-5B3/P engine, rated at about 32,000 pounds of thrust. The Airbus A321 is the model most often fitted with it (11 aircraft). The aircraft carrying it were built between 2001 and 2013.

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 CFM56-5B3/P. FAA spelling: CFM56-5B3/P.

Fitted to model families

Airbus A32111

Airbus A321

Where they are owner's state

Texas11

Kind of aircraft

Airliners and large jets11 (100%)

When the aircraft were built by decade

024574200072010

What the FAA has certified, ordered and been told about the CFM International CFM56-5B3/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 230 failure reports with the FAA since 1995, 134 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 CFM56-5B3/P

Failure reports 230 since · what operators and shops told the FAA

07142128071217221126

Parts most often reported as the reports name them

Engine69Fuel Filter10Wire Harness9Skin7Pressure Switch4Seal4Structure4Actuator3Apu3Bolt3

Latest reports

2026-09-22Check Valve: cracked
2026-09-22Rod: excess play
2026-09-14Engine: overtemp
2026-08-22Engine: overtemp
2026-08-20Engine: overtemp

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
  • Texas 11 of these aircraft
Biggest operators

These connections as data: /graph/engine/cfm-international-cfm56-5b3-p.json · about the eFlight graph.

Aircraft newest certificates first · 11

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N451PE Airbus Industrie
A321-211
Fixed-wing, multi-engine Pa Msn 1451 LLC
Dallas, Texas
Standard 2023-03-08 ValidFAA registration status code V: Valid registration. All codes
N150UW Airbus
A321-211
Fixed-wing, multi-engine American Airlines INC
Fort Worth, Texas
Standard 2015-12-30 ValidFAA registration status code V: Valid registration. All codes
N151UW Airbus
A321-211
Fixed-wing, multi-engine American Airlines INC
Fort Worth, Texas
Standard 2015-12-30 ValidFAA registration status code V: Valid registration. All codes
N152UW Airbus
A321-211
Fixed-wing, multi-engine American Airlines INC
Fort Worth, Texas
Standard 2015-12-30 ValidFAA registration status code V: Valid registration. All codes
N153UW Airbus
A321-211
Fixed-wing, multi-engine American Airlines INC
Fort Worth, Texas
Standard 2015-12-30 ValidFAA registration status code V: Valid registration. All codes
N155UW Airbus
A321-211
Fixed-wing, multi-engine American Airlines INC
Fort Worth, Texas
Standard 2015-12-30 ValidFAA registration status code V: Valid registration. All codes
N193UW Airbus
A321-211
Fixed-wing, multi-engine American Airlines INC
Fort Worth, Texas
Standard 2015-12-30 ValidFAA registration status code V: Valid registration. All codes
N195UW Airbus
A321-211
Fixed-wing, multi-engine American Airlines INC
Fort Worth, Texas
Standard 2015-12-30 ValidFAA registration status code V: Valid registration. All codes
N197UW Airbus
A321-211
Fixed-wing, multi-engine American Airlines INC
Fort Worth, Texas
Standard 2015-12-30 ValidFAA registration status code V: Valid registration. All codes
N198UW Airbus
A321-211
Fixed-wing, multi-engine American Airlines INC
Fort Worth, Texas
Standard 2015-12-30 ValidFAA registration status code V: Valid registration. All codes
N199UW Airbus
A321-211
Fixed-wing, multi-engine American Airlines INC
Fort Worth, Texas
Standard 2015-12-30 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.