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CFM International CFM56-7B series

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Engine model · Turbo-fan · registry code 13803

Manufacturer (registry)
CFM INTL.
Model
CFM56-7B
Registry code
13803
Installed in
15 registered aircraft
Type
Turbo-fan
Power
20,000 lb thrust

The registry names only the engine series, so ADs for every model in the series are matched.

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Airworthiness directives that may apply · 19

ADs whose products match this engine model. Each AD’s applicability may narrow it by serial number, part number or configuration.

1998In forceSuperseded2026
See all 26 ADs
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duckdb -csv -c "SELECT d.ad_number, d.status, d.subject, d.effective_date
  FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
  WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_engine_model_directive.parquet' WHERE engine_model_code IN ('13803'))
  ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC"

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Information bulletins that may apply · 1

Historical bulletins · 3
SAIB NE-08-17R2Turbine Section - Propulsion Technology LLC Unapproved RepairIssued Mar 7, 2011SAIB NE-08-17R1Propulsion Technology LLC Unapproved RepairIssued May 22, 2008SAIB NE-08-17Propulsion Technologies International Unapproved RepairIssued May 14, 2008
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duckdb -csv -c "SELECT s.saib_number, any_value(s.title) AS title, max(s.issue_date) AS issue_date, any_value(s.status) AS status
  FROM 'https://openairdocs.org/data/latest/faa_saib.parquet' s
  WHERE s.saib_id IN (SELECT saib_id FROM 'https://openairdocs.org/data/latest/faa_engine_model_saib.parquet' WHERE engine_model_code IN ('13803'))
  GROUP BY s.saib_number ORDER BY issue_date DESC"

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Registered aircraft · 15

N245ACBank Of Utah Trustee · Salt Lake City, UTBuilt 2007 · S/N 35099N290BRUmb Bank Na Trustee · Salt Lake City, UTBuilt 1999 · S/N 29040N308BRUmb Bank Na Trustee · Salt Lake City, UTBuilt 2001 · S/N 30876N310AGRegistration Pending · Salt Lake City, UTRegistration pendingBuilt 2001 · S/N 32806N529ASAlaska Airlines Inc · Seatac, WABuilt 2010 · S/N 35198N552WNUmb Bank N A Trustee · Salt Lake City, UTBuilt 2002 · S/N 30744N778MAUmb Bank Na Trustee · Salt Lake City, UTBuilt 2006 · S/N 34704N8011ABank Of Utah Trustee · Salt Lake City, UTBuilt 2005 · S/N 34030N808VLUmb Bank Na Trustee · Salt Lake City, UTBuilt 2009 · S/N 37597N835SYSun Country Inc · Minneapolis, MNBuilt 2011 · S/N 40250N837SYSun Country Inc · Minneapolis, MNBuilt 2012 · S/N 40252N848SYSun Country Inc · Minneapolis, MNBuilt 2015 · S/N 41128N855SYBank Of Utah Trustee · Salt Lake City, UTBuilt 2013 · S/N 40262N935DZDelta Air Lines Inc · Atlanta, GABuilt 2012 · S/N 37290N972ANAmerican Airlines Inc · Fort Worth, TXBuilt 2001 · S/N 30097
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duckdb -csv -c "SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
  FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
  WHERE engine_model_code IN ('13803')
  ORDER BY n_number"

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NTSB investigations · 2

Aircraft matched to this engine model through the registry, by N-number and event date, checked against the reported serial number, make and model.

Defining event, 2008 on

Of 1 case NTSB coded with a defining event. All defining events

In the probable cause, 2008 on

Findings NTSB made part of the probable cause. A case can have several. All findings

First occurrence, 1982 to 2007

Of 1 case with NTSB’s older coding, defined in its coding manual.

NTSB DCA17IA020Incident · No injuriesIncident investigationFinal reportBoeing 737 7L9 · New York, NYThe first officer's failure to attain the proper touchdown point and the flight crew's failure to call for a go-around, which resulted in the airplane landing more than halfway down the runway. Contributing to the incident were, the first officer's initiation…Oct 27, 2016 · N278EA · Minor damageNTSB NYC04CA003Accident · No injuriesData collectionFinal reportBoeing 737 · Boston, MAThe collision of a ground support vehicle with a parked aircraft, due to the faulty gearshift lever on the ground support vehicle.Oct 4, 2003 · N972AN · Substantial damage
Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
  FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = a.case_mkey
  WHERE a.engine_model_code IN ('13803')
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

FAA incident reports · 4

Matched to this engine model through the registry, by N-number and event date, checked against the reported make and model.

Incident 20250530008769IBoeing 737-8KN · Myrtle Beach, SCPerformed an incident investigation of a commercial flight, which after block-in at myr on 5/30/25, was “windmilled” by a lateral wind gust which rotated the nose of the B737-800NG away from the jet bridge. Consequently, the left wingtip struck the gate…May 30, 2025 · N835SY · Minor damageAccident 20230509003359ABoeing 737-8KN · Richmond, VAOn 09 may 2023, at Richmond International Airport (ric) Virginia, [privacy data omitted] (737-800), preparing for [privacy data omitted], was struck by the ground handlers belt loader causing damage to the forward cargo door lower frame and the lower number 3…May 9, 2023 · N837SY · Substantial damageIncident 20161027021369IBoeing 767-7L9 · Flushing, NYOn October 27, 2016, about 1942 eastern daylight time, eastern air lines flight 3452, a Boeing 737-800, registration N278EA overran runway 22 during landing roll. New york's la guardia airport (lga). The chartered passenger flight, operated under the…Oct 27, 2016 · N278EA · Minor damageAccident 20031004024399ABoeing 737823 · Boston, MA(-23) American airlines flight #847, B-737-823, N972AN, while parked at Boston terminal b, gate 26, was struck by an unoccupied ground support americal eagle van on Saturday 10/04/03 at 1450 EDT. Passengers were boarding at the time of the accident. Massport…Oct 4, 2003 · N972AN · Substantial damage
Query with SQL
duckdb -csv -c "SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
  FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
  WHERE engine_model_code IN ('13803')
  ORDER BY event_date DESC, report_number DESC"

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Service difficulty reports · 8

SDR AALA202601163763Indicator · faultyAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: LOW OIL QUANTITY INDICATION ON THE NUMBER 2 ENGINE, WITH ERRATIC LOW OIL PRESSURE ENTERING THE AMBER RANGE. AIRCRAFT DIVERTED TO AND LANDED SAFELY AT IAH. REMOVED AND REPLACED NUMBER 2 ENGINE CLOGGING INJan 15, 2026 · N934NN · Boeing 737823 · Engine Oil CoolerSDR AALA202506170325Starter · failedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: DISPLAYED SHOWING ENGINE 1 OIL QUANTITY 0 IN FLIGHT, OIL PRESSURE AND TEMPERATURE INDICATIONS WERE NORMAL BUT EVENTUALLY OIL PRESSURE DROPPED, PRECAUTIONARY ENGINE SHUTDOWN. AIRCRAFT DIVERTED TO AND LANDJun 15, 2025 · N944AN · Boeing 737823 · Engine StarterSDR AALA202202047274None · noneAIRCRAFT WAS GROUNDED: ABNORMAL ENGINE INDICATIONS NUMBER 2 ENGINE AT ALTITUDE AND IN DECENT LOUD NOISES/BANGING OBSERVED NUMBER ONE DROPPED OFF TO APPROXIMATELY 54 PERCENT. AT IDLE ALL INDICATIONS NORMAL. CONTINUED IDLE OPERATION UNTIL LANDING. EMERGENCY WAS Feb 1, 2022 · N834NN · Boeing 737* · Engine (Turbine/Turboprop)SDR AALA202202077274Engine · noisyAIRCRAFT WAS GROUNDED: ABNORMAL ENGINE INDICATIONS NUMBER 2 ENGINE AT ALTITUDE AND IN DECENT LOUD NOISES/BANGING OBSERVED NUMBER ONE DROPPED OFF TO APPROXIMATELY 54 PERCENT. AT IDLE ALL INDICATIONS NORMAL. CONTINUED IDLE OPERATION UNTIL LANDING. EMERGENCY WAS Feb 1, 2022 · N834NN · Boeing 737* · Engine (Turbine/Turboprop)SDR AALA202112304275Engine · fault messageAIRCRAFT WAS GROUNDED: AT CRUISE 37,000 FEET THE NUMBER 1 OIL FILTER BYPASS LIGHT ILLUMINATED. RAN THE QUICK REFERENCE HANDBOOK PROCEDURE AND SHUT DOWN THE NUMBER 1 ENGINE. DECLARED EMERGENCY, DIVERTED TO STL. AIRCRAFT WAS OVERWEIGHT FOR LANDING. REMOVED AND IDec 28, 2021 · N817NN · Boeing 737* · Engine Oil Indicating SystemSDR AALA202112285883Sensor · defectiveAIRCRAFT WAS GROUNDED: LEFT ENGINE N1 INDICATION DID NOT REACH PLANNED SETTING OF 95.3% FOR TAKEOFF. DISCONNECTED AUTO THROTTLE WHILE ACCELERATING DOWN THE RUNWAY. PUSHED LEFT THROTTLE FULL FWD AND ACHIEVED APPROXIMATELY 91.2 % N1. AIRCRAFT WAS ACCELERATINDec 27, 2021 · N952NN · Boeing 737* · Power Indicating SystemSDR AALA202112015620Engine · fodAIRCRAFT WAS NOT GROUNDED: BIRD STRIKE ON TAKEOFF, RIGHT SIDE OF AIRCRAFT. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO MCO WHERE IT LANDED SAFELY WITHOUT FURTHER INCIDENT. MAINTENANCE ACCOMPLISHED BIRD STRIKE INSPECTION TASK CARD 08L00005056.AND NO Nov 30, 2021 · N940NN · Boeing 737* · Engine (Turbine/Turboprop)SDR AALA202110276407Hub · damagedAIRCRAFT WAS GROUNDED: DURING THE ACCOMPLISHMENT OF THE #1 ENGINE FAN BLADE LUBE MAINTENANCE REPORTED DAMAGE TO THE FAN HUB ON HUB POST #1 WITH A DEPTH OF 0.011 INCHES AND HUB POST 22 WITH A DEPTH OF 0.012 INCHES. BOTH HUB POST ARE DAMAGED IN AREA D AND ARE OOct 20, 2021 · N825NN · Boeing 737* · Turbine Engine Air Inlet Section
Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE engine_model_key = 'CFM567B'
  ORDER BY difficulty_date DESC"

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STCs that may be installed · 2

Approved for this engine model: the STC’s model list names it on its data sheet, or a series that includes it. The registry doesn’t record which STCs an aircraft has.

STC SE04840NYInstallation of HarcoSemco Exhaust Gas Temperature (EGT) Electrical Harnesses in CFM56-7 engineKilroy Aviation LLC · Lists CFM56-7B20STC SE03036CHApplication of a deep compressive stress layer using a Low Plasticity Burnishing (LPB) process on CFM56-7 Series Engines Stage 1 High Pressure Compressor (HPC) Blade Dovetails in accordance with Delta Air Lines Inc. Drawing No. 72-0396, Revision B, dated November 3, 2011, or later FAA Approved revision.Delta Air Lines Inc. · Lists CFM56-7B20
Query with SQL
duckdb -csv -c "SELECT s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
  FROM (
    SELECT stc_number, min(matched_model) AS matched_model
    FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet'
    WHERE engine_model_code IN ('13803')
    GROUP BY stc_number
  ) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
  ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

PMA parts · 1,000+

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this engine model on its data sheet, so check the FAA record before relying on it. Newest first.

2564M19G01SDSeal - Stg 2 Cprsr SttrSeal Dynamics Inc. A HEICO Aerospace Company · PMA PQ1715CE · Replaces 2564M19G01 · Oct 15, 20262564M19G01SDSeal - Stg 2 Cprsr SttrSeal Dynamics Inc. A HEICO Aerospace Company · PMA PQ1715CE · Replaces 2564M19G01 · Oct 15, 20262564M15G02SDSeal - Retainer Cprsr SttrSeal Dynamics Inc. A HEICO Aerospace Company · PMA PQ1715CE · Replaces 2564M15G02 · Oct 15, 2026
See all 1,000+ PMA parts
Query with SQL
duckdb -csv -c "SELECT drs_guid, part_number, part_name, holder, pma_number, replaces_part, supplement_date, tcds_models
  FROM 'https://openairdocs.org/data/latest/faa_type_certificate_pma.parquet'
  WHERE tcds_number IN ('E00055EN', 'E00056EN')
    AND len(list_intersect(tcds_models, ['CFM56-7B26E/B2', 'CFM56-7B24/3', 'CFM56-7B26E/F', 'CFM56-7B26/3F', 'CFM56-7B24', 'CFM56-7B22/3', 'CFM56-7B26E/B1', 'CFM56-7B27E/B3', 'CFM56-7B22E', 'CFM56-7B24/3B1', 'CFM56-7B27AE', 'CFM56-7B20', 'CFM56-7B26', 'CFM56-7B26/2', 'CFM56-7B22/B1', 'CFM56-7B24/2', 'CFM56-7B26/3', 'CFM56-7B26/B2', 'CFM56-7B26/3B1', 'CFM56-7B27A', 'CFM56-7B27', 'CFM56-7B27/3F', 'CFM56-7B27/3B1', 'CFM56-7B26/3B2F', 'CFM56-7B27A/3', 'CFM56-7B20/3', 'CFM56-7B26E', 'CFM56-7B20/2', 'CFM56-7B27/B3', 'CFM56-7B22/2', 'CFM56-7B26/3B2', 'CFM56-7B27E/F', 'CFM56-7B22E/B1', 'CFM56-7B20E', 'CFM56-7B24/B1', 'CFM56-7B22/3B1', 'CFM56-7B27/3', 'CFM56-7B27/2', 'CFM56-7B27E/B1F', 'CFM56-7B26/B1', 'CFM56-7B27/3B1F', 'CFM56-7B24E', 'CFM56-7B27/3B3', 'CFM56-7B27/B1', 'CFM56-7B27E/B1', 'CFM56-7B24E/B1', 'CFM56-7B26E/B2F', 'CFM56-7B27E', 'CFM56-7B22'])) > 0
  ORDER BY supplement_date DESC, drs_guid DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.