General Electric CFM56 series
28 aircraft on the U.S. register carry a General Electric CFM56 series engine, rated at about 9,800 pounds of thrust. The Boeing 737 is the model most often fitted with it (21 aircraft). The aircraft carrying it were built between 1987 and 2017.
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 General Electric CFM56 series. FAA spelling: CFM56 SERIES.
Fitted to model families
Boeing 73721Airbus A3203Airbus A3192Bombardier CL-600 Challenger and CRJ2
Boeing 737 · Airbus A320 · Airbus A319 · Bombardier CL-600 Challenger and CRJ
Where they are owner's state
Texas8Utah4Illinois4Georgia4Delaware2Nevada1Missouri1Minnesota1Kansas1California1
Kind of aircraft
Airliners and large jets28 (100%)
When the aircraft were built by decade
What the FAA has certified, ordered and been told about the General Electric CFM56 series the component layer
No FAA order in the current files names this engine series. Operators and repair shops have filed 6,977 failure reports with the FAA since 1995, 110 of them in the last ten years.
Failure reports 6,977 since · what operators and shops told the FAA
Parts most often reported as the reports name them
Skin760Frame710Engine358Floorbeam241Bulkhead176Light169Fitting134Stringer Clip127Door Frame110Intercostal102
Latest reports
2026-09-04Pmc: faulted
2026-04-14Idg: inoperative
2026-01-05Engine: faulted
2025-08-29Fuel Filter: clogged
2025-07-20Line: leaking
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
- Boeing 737 21 with this engine series
- Airbus A320 3 with this engine series
- Airbus A319 2 with this engine series
- Bombardier CL-600 Challenger and CRJ 2 with this engine series
Where they are
Biggest operators
- Southwest Airlines CO 5 of these aircraft
- United Airlines INC 4 of these aircraft
- Delta Air Lines INC 4 of these aircraft
- Bank Of Utah Trustee 3 of these aircraft
- Csc Delaware Trust CO Trustee 2 of these aircraft
Airworthiness
- Failure reports on the General Electric CFM56 series 6,977 reports since 1995
Analytics
These connections as data: /graph/engine/general-electric-cfm56-series.json · about the eFlight graph.
Aircraft newest certificates first · 28
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N802TJ | Boeing 737-4B7 |
Fixed-wing, multi-engine | Eastern 737 Asset Holdings LLC Kansas City, Missouri |
Standard | 2024-05-01 | ValidFAA registration status code V: Valid registration. All codes |
| N814VL | Boeing 737-86J |
Fixed-wing, multi-engine | Umb Bank Na Trustee Salt Lake City, Utah |
Standard | 2024-02-12 | ValidFAA registration status code V: Valid registration. All codes |
| N644SW | Boeing 737-3H4 |
Fixed-wing, multi-engine | Prima Air LLC Pasadena, California |
Standard | 2022-09-03 | ValidFAA registration status code V: Valid registration. All codes |
| N619NN | Bombardier Inc CL-600-2D24 |
Fixed-wing, multi-engine | American Airlines INC Fort Worth, Texas |
Standard | 2022-08-22 | ValidFAA registration status code V: Valid registration. All codes |
| N616NN | Bombardier Inc CL-600-2D24 |
Fixed-wing, multi-engine | American Airlines INC Fort Worth, Texas |
Standard | 2022-07-18 | ValidFAA registration status code V: Valid registration. All codes |
| N14242 | Boeing 737-824 |
Fixed-wing, multi-engine | United Airlines INC Chicago, Illinois |
Standard | 2021-10-21 | ValidFAA registration status code V: Valid registration. All codes |
| N842SY | Boeing 737-8K5 |
Fixed-wing, multi-engine | Sun Country INC Minneapolis, Minnesota |
Standard | 2021-10-01 | ValidFAA registration status code V: Valid registration. All codes |
| N24702 | Boeing 737-724 |
Fixed-wing, multi-engine | United Airlines INC Chicago, Illinois |
Standard | 2021-09-23 | ValidFAA registration status code V: Valid registration. All codes |
| N441US | Boeing 737-4B7 |
Fixed-wing, multi-engine | City of Brownsville Texas Brownsville, Texas |
Standard | 2021-06-01 | ValidFAA registration status code V: Valid registration. All codes |
| N721UW | Airbus Industrie A319-112 |
Fixed-wing, multi-engine | Bank of Utah Trustee Salt Lake City, Utah |
Standard | 2019-12-31 | ValidFAA registration status code V: Valid registration. All codes |
| N717UW | Airbus Industrie A319-112 |
Fixed-wing, multi-engine | Bank of Utah Trustee Salt Lake City, Utah |
Standard | 2019-12-26 | ValidFAA registration status code V: Valid registration. All codes |
| N403YK | Boeing 737-436 |
Fixed-wing, multi-engine | Northern Air Cargo LLC Anchorage, Alaska |
Standard | 2019-08-22 | ValidFAA registration status code V: Valid registration. All codes |
| N138CG | Boeing 737-3H4 |
Fixed-wing, multi-engine | Csc Delaware Trust CO Trustee Wilmington, Delaware |
Standard | 2019-07-17 | ValidFAA registration status code V: Valid registration. All codes |
| N889LS | Boeing 737-73T |
Fixed-wing, multi-engine | Las Vegas Sands CORP Las Vegas, Nevada |
Standard | 2018-10-12 | ValidFAA registration status code V: Valid registration. All codes |
| N444HE | Boeing 737-300 |
Fixed-wing, multi-engine | Csc Delaware Trust CO Trustee Wilmington, Delaware |
Standard | 2018-01-10 | ValidFAA registration status code V: Valid registration. All codes |
| N342NW | Airbus Industrie A320-212 |
Fixed-wing, multi-engine | Delta Air Lines INC Atlanta, Georgia |
Standard | 2015-01-05 | ValidFAA registration status code V: Valid registration. All codes |
| N788DP | Boeing 737-79U |
Fixed-wing, multi-engine | Bank of Utah Trustee Salt Lake City, Utah |
Standard | 2014-11-17 | ValidFAA registration status code V: Valid registration. All codes |
| N959WN | Boeing 737-7H4 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2011-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N345NW | Airbus Industrie A320-212 |
Fixed-wing, multi-engine | Delta Air Lines INC Atlanta, Georgia |
Standard | 2009-12-31 | ValidFAA registration status code V: Valid registration. All codes |
| N349NW | Airbus Industrie A320-212 |
Fixed-wing, multi-engine | Delta Air Lines INC Atlanta, Georgia |
Standard | 2009-12-31 | ValidFAA registration status code V: Valid registration. All codes |
| N43PR | Boeing 737-75V |
Fixed-wing, multi-engine | Town and Country Food Markets INC Wichita, Kansas |
Standard | 2007-10-16 | ValidFAA registration status code V: Valid registration. All codes |
| N222WN | Boeing 737-7H4 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2005-09-27 | ValidFAA registration status code V: Valid registration. All codes |
| N221WN | Boeing 737-7H4 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2005-09-14 | ValidFAA registration status code V: Valid registration. All codes |
| N73276 | Boeing 737-824 |
Fixed-wing, multi-engine | United Airlines INC Chicago, Illinois |
Standard | 2002-02-28 | ValidFAA registration status code V: Valid registration. All codes |
| N384DA | Boeing 737-832 |
Fixed-wing, multi-engine | Delta Air Lines INC Atlanta, Georgia |
Standard | 1999-11-24 | ValidFAA registration status code V: Valid registration. All codes |
| N18243 | Boeing 737-824 |
Fixed-wing, multi-engine | United Airlines INC Chicago, Illinois |
Standard | 1999-10-27 | ValidFAA registration status code V: Valid registration. All codes |
| N703SW | Boeing 737-7H4 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 1998-03-04 | ValidFAA registration status code V: Valid registration. All codes |
| N354SW | Boeing 737-3H4 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 1991-08-03 | 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.