CFM International CFM56-7B27E/F
111 aircraft on the U.S. register carry a CFM International CFM56-7B27E/F engine, rated at about 27,300 pounds of thrust. The Boeing 737 is the model most often fitted with it (111 aircraft). The aircraft carrying it were built between 2016 and 2018.
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 CFM56-7B27E/F. FAA spelling: CFM56-7B27E/F.
Where they are owner's state
Texas84Utah13Illinois13Georgia1
Kind of aircraft
Airliners and large jets111 (100%)
When the aircraft were built by decade
What the FAA has certified, ordered and been told about the CFM International CFM56-7B27E/F the component layer
The design is held under 2 type certificates. The FAA has issued 11 airworthiness directives (orders that owners must comply with) that name this engine series.
FAA orders 11 airworthiness directives · newest first
2023-05-102023-05-05 · Turbine Engine Compressor Section · engine
2021-06-242021-10-09 · Turbine Engine Compressor Section · engine
2019-01-102018-26-01 · Turbine Engine Compressor Section · engine
2018-10-162018-18-01 · Turbine Engine Compressor Section · engine
2018-06-012018-10-11 · Turbine Engine Compressor Section · engine
2018-05-142018-09-10 · Turbine Engine Compressor Section · engine
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 2 · 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
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 737 111 with this engine series
Where they are
Biggest operators
- Southwest Airlines CO 83 of these aircraft
- United Airlines INC 13 of these aircraft
- Bank Of Utah Trustee 10 of these aircraft
- Umb Bank Na Trustee 3 of these aircraft
- Southwest Airlines INC 1 of these aircraft
Airworthiness
- FAA orders naming the CFM International CFM56-7B27E/F 11 airworthiness directives
Analytics
These connections as data: /graph/engine/cfm-international-cfm56-7b27e-f.json · about the eFlight graph.
Aircraft newest certificates first · 111
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N8566Z | Boeing 737-800 |
Fixed-wing, multi-engine | Umb Bank Na Trustee Salt Lake City, Utah |
Standard | 2024-12-20 | ValidFAA registration status code V: Valid registration. All codes |
| N8565Z | Boeing 737-800 |
Fixed-wing, multi-engine | Umb Bank Na Trustee Salt Lake City, Utah |
Standard | 2024-12-19 | ValidFAA registration status code V: Valid registration. All codes |
| N8568Z | Boeing 737-800 |
Fixed-wing, multi-engine | Umb Bank Na Trustee Salt Lake City, Utah |
Standard | 2024-12-19 | ValidFAA registration status code V: Valid registration. All codes |
| N8562Z | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2022-05-23 | ValidFAA registration status code V: Valid registration. All codes |
| N8559Q | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2022-05-19 | ValidFAA registration status code V: Valid registration. All codes |
| N8560Z | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2022-05-19 | ValidFAA registration status code V: Valid registration. All codes |
| N8561Z | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2022-05-19 | ValidFAA registration status code V: Valid registration. All codes |
| N8577Z | Boeing 737-800 |
Fixed-wing, multi-engine | Bank of Utah Trustee Salt Lake City, Utah |
Standard | 2020-06-09 | ValidFAA registration status code V: Valid registration. All codes |
| N8576Z | Boeing 737-800 |
Fixed-wing, multi-engine | Bank of Utah Trustee Salt Lake City, Utah |
Standard | 2020-06-05 | ValidFAA registration status code V: Valid registration. All codes |
| N8574Z | Boeing 737-800 |
Fixed-wing, multi-engine | Bank of Utah Trustee Salt Lake City, Utah |
Standard | 2020-06-04 | ValidFAA registration status code V: Valid registration. All codes |
| N8578Q | Boeing 737-800 |
Fixed-wing, multi-engine | Bank of Utah Trustee Salt Lake City, Utah |
Standard | 2020-06-04 | ValidFAA registration status code V: Valid registration. All codes |
| N8579Z | Boeing 737-800 |
Fixed-wing, multi-engine | Bank of Utah Trustee Salt Lake City, Utah |
Standard | 2020-06-04 | ValidFAA registration status code V: Valid registration. All codes |
| N8580Z | Boeing 737-800 |
Fixed-wing, multi-engine | Bank of Utah Trustee Salt Lake City, Utah |
Standard | 2020-06-04 | ValidFAA registration status code V: Valid registration. All codes |
| N8581Z | Boeing 737-800 |
Fixed-wing, multi-engine | Bank of Utah Trustee Salt Lake City, Utah |
Standard | 2020-06-04 | ValidFAA registration status code V: Valid registration. All codes |
| N8582Z | Boeing 737-800 |
Fixed-wing, multi-engine | Bank of Utah Trustee Salt Lake City, Utah |
Standard | 2020-06-04 | ValidFAA registration status code V: Valid registration. All codes |
| N8583Z | Boeing 737-800 |
Fixed-wing, multi-engine | Bank of Utah Trustee Salt Lake City, Utah |
Standard | 2020-06-04 | ValidFAA registration status code V: Valid registration. All codes |
| N8584Z | Boeing 737-800 |
Fixed-wing, multi-engine | Bank of Utah Trustee Salt Lake City, Utah |
Standard | 2020-06-04 | ValidFAA registration status code V: Valid registration. All codes |
| N8573Z | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2018-07-10 | ValidFAA registration status code V: Valid registration. All codes |
| N8575Z | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2018-07-10 | ValidFAA registration status code V: Valid registration. All codes |
| N8572X | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2018-06-28 | ValidFAA registration status code V: Valid registration. All codes |
| N8571Z | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2018-06-21 | ValidFAA registration status code V: Valid registration. All codes |
| N8570W | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2018-06-19 | ValidFAA registration status code V: Valid registration. All codes |
| N8569Z | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2018-05-17 | ValidFAA registration status code V: Valid registration. All codes |
| N8567Z | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2018-04-13 | ValidFAA registration status code V: Valid registration. All codes |
| N8564Z | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2018-03-20 | ValidFAA registration status code V: Valid registration. All codes |
| N8558Z | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2018-01-08 | ValidFAA registration status code V: Valid registration. All codes |
| N8557Q | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2018-01-05 | ValidFAA registration status code V: Valid registration. All codes |
| N8556Z | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2018-01-03 | ValidFAA registration status code V: Valid registration. All codes |
| N8555Z | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2018-01-02 | ValidFAA registration status code V: Valid registration. All codes |
| N8554X | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-12-29 | ValidFAA registration status code V: Valid registration. All codes |
| N8552Z | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-12-11 | ValidFAA registration status code V: Valid registration. All codes |
| N8553W | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-12-07 | ValidFAA registration status code V: Valid registration. All codes |
| N8550Q | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-11-27 | ValidFAA registration status code V: Valid registration. All codes |
| N8551Q | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-11-17 | ValidFAA registration status code V: Valid registration. All codes |
| N8549Z | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-11-14 | ValidFAA registration status code V: Valid registration. All codes |
| N8548P | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-11-06 | ValidFAA registration status code V: Valid registration. All codes |
| N8547V | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-09-27 | ValidFAA registration status code V: Valid registration. All codes |
| N8545V | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-09-15 | ValidFAA registration status code V: Valid registration. All codes |
| N8546V | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-09-14 | ValidFAA registration status code V: Valid registration. All codes |
| N8544Z | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N8542Z | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-08-04 | ValidFAA registration status code V: Valid registration. All codes |
| N8541W | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-07-25 | ValidFAA registration status code V: Valid registration. All codes |
| N8540V | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-07-24 | ValidFAA registration status code V: Valid registration. All codes |
| N8539V | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-07-20 | ValidFAA registration status code V: Valid registration. All codes |
| N8538V | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-07-18 | ValidFAA registration status code V: Valid registration. All codes |
| N8537Z | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines INC Dallas, Texas |
Standard | 2017-07-17 | ValidFAA registration status code V: Valid registration. All codes |
| N8536Z | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-07-13 | ValidFAA registration status code V: Valid registration. All codes |
| N8535S | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-07-10 | ValidFAA registration status code V: Valid registration. All codes |
| N8532S | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-06-28 | ValidFAA registration status code V: Valid registration. All codes |
| N8533S | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-06-22 | ValidFAA registration status code V: Valid registration. All codes |
| N8534Z | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-06-22 | ValidFAA registration status code V: Valid registration. All codes |
| N8531Q | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-06-15 | ValidFAA registration status code V: Valid registration. All codes |
| N8530W | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-05-11 | ValidFAA registration status code V: Valid registration. All codes |
| N8529Z | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-05-02 | ValidFAA registration status code V: Valid registration. All codes |
| N8528Q | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-04-19 | ValidFAA registration status code V: Valid registration. All codes |
| N8526W | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-04-11 | ValidFAA registration status code V: Valid registration. All codes |
| N8527Q | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-04-11 | ValidFAA registration status code V: Valid registration. All codes |
| N8525S | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-03-16 | ValidFAA registration status code V: Valid registration. All codes |
| N8524Z | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-03-08 | ValidFAA registration status code V: Valid registration. All codes |
| N8523W | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-02-21 | ValidFAA registration status code V: Valid registration. All codes |
| N8522P | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-02-13 | ValidFAA registration status code V: Valid registration. All codes |
| N8520Q | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-02-09 | ValidFAA registration status code V: Valid registration. All codes |
| N8519R | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-02-07 | ValidFAA registration status code V: Valid registration. All codes |
| N8518R | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-01-11 | ValidFAA registration status code V: Valid registration. All codes |
| N8515X | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-01-10 | ValidFAA registration status code V: Valid registration. All codes |
| N8517F | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-01-09 | ValidFAA registration status code V: Valid registration. All codes |
| N8514F | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-01-05 | ValidFAA registration status code V: Valid registration. All codes |
| N8513F | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2017-01-03 | ValidFAA registration status code V: Valid registration. All codes |
| N8512U | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2016-12-27 | ValidFAA registration status code V: Valid registration. All codes |
| N38479 | Boeing 737-900ER |
Fixed-wing, multi-engine | United Airlines INC Chicago, Illinois |
Standard | 2016-12-23 | ValidFAA registration status code V: Valid registration. All codes |
| N77538 | Boeing 737-800 |
Fixed-wing, multi-engine | United Airlines INC Chicago, Illinois |
Standard | 2016-12-21 | ValidFAA registration status code V: Valid registration. All codes |
| N8511K | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2016-12-19 | ValidFAA registration status code V: Valid registration. All codes |
| N8510E | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2016-12-14 | ValidFAA registration status code V: Valid registration. All codes |
| N63899 | Boeing 737-900ER |
Fixed-wing, multi-engine | United Airlines INC Chicago, Illinois |
Standard | 2016-12-13 | ValidFAA registration status code V: Valid registration. All codes |
| N8509U | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2016-12-08 | ValidFAA registration status code V: Valid registration. All codes |
| N61898 | Boeing 737-900ER |
Fixed-wing, multi-engine | United Airlines INC Chicago, Illinois |
Standard | 2016-12-06 | ValidFAA registration status code V: Valid registration. All codes |
| N8508W | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2016-12-06 | ValidFAA registration status code V: Valid registration. All codes |
| N8507C | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2016-11-29 | ValidFAA registration status code V: Valid registration. All codes |
| N66897 | Boeing 737-900ER |
Fixed-wing, multi-engine | United Airlines INC Chicago, Illinois |
Standard | 2016-11-22 | ValidFAA registration status code V: Valid registration. All codes |
| N8504G | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2016-11-22 | ValidFAA registration status code V: Valid registration. All codes |
| N8503A | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2016-11-04 | ValidFAA registration status code V: Valid registration. All codes |
| N8502Z | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2016-10-31 | ValidFAA registration status code V: Valid registration. All codes |
| N8501V | Boeing 737-800 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2016-10-28 | ValidFAA registration status code V: Valid registration. All codes |
| N62896 | Boeing 737-900ER |
Fixed-wing, multi-engine | United Airlines INC Chicago, Illinois |
Standard | 2016-10-27 | ValidFAA registration status code V: Valid registration. All codes |
| N8698B | Boeing 737-8H4 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2016-10-17 | ValidFAA registration status code V: Valid registration. All codes |
| N62895 | Boeing 737-900ER |
Fixed-wing, multi-engine | United Airlines INC Chicago, Illinois |
Standard | 2016-10-11 | ValidFAA registration status code V: Valid registration. All codes |
| N8699A | Boeing 737-8H4 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2016-10-06 | ValidFAA registration status code V: Valid registration. All codes |
| N8697C | Boeing 737-8H4 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2016-09-29 | ValidFAA registration status code V: Valid registration. All codes |
| N8696E | Boeing 737-8H4 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2016-09-26 | ValidFAA registration status code V: Valid registration. All codes |
| N77537 | Boeing 737-800 |
Fixed-wing, multi-engine | United Airlines INC Chicago, Illinois |
Standard | 2016-09-23 | ValidFAA registration status code V: Valid registration. All codes |
| N8695D | Boeing 737-8H4 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2016-09-22 | ValidFAA registration status code V: Valid registration. All codes |
| N8694E | Boeing 737-8H4 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2016-09-14 | ValidFAA registration status code V: Valid registration. All codes |
| N8693A | Boeing 737-8H4 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2016-09-08 | ValidFAA registration status code V: Valid registration. All codes |
| N77536 | Boeing 737-824 |
Fixed-wing, multi-engine | United Airlines INC Chicago, Illinois |
Standard | 2016-09-01 | ValidFAA registration status code V: Valid registration. All codes |
| N8692F | Boeing 737-8H4 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2016-08-31 | ValidFAA registration status code V: Valid registration. All codes |
| N77535 | Boeing 737-824 |
Fixed-wing, multi-engine | United Airlines INC Chicago, Illinois |
Standard | 2016-08-26 | ValidFAA registration status code V: Valid registration. All codes |
| N8691A | Boeing 737-8H4 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2016-08-22 | ValidFAA registration status code V: Valid registration. All codes |
| N86534 | Boeing 737-824 |
Fixed-wing, multi-engine | United Airlines INC Chicago, Illinois |
Standard | 2016-08-18 | ValidFAA registration status code V: Valid registration. All codes |
| N8690A | Boeing 737-8H4 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2016-08-11 | ValidFAA registration status code V: Valid registration. All codes |
| N8689C | Boeing 737-8H4 |
Fixed-wing, multi-engine | Southwest Airlines CO Dallas, Texas |
Standard | 2016-07-14 | ValidFAA registration status code V: Valid registration. All codes |
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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.