Engine model · Turbo-fan · registry code 13056

Manufacturer (registry)
CFM INTL
Model
CFM56-7B24/B1
Registry code
13056
Installed in
0 registered aircraft
Type
Turbo-fan
Power
24,200 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 · 16

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

2000In forceSuperseded2026
ADs by the year they took effect: 23 ADs
20001
20012
20022
20071
20081
20091
20102
20141
20152
20184
20192
20212
20221
20231
See all 23 ADs
Query with SQL
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 ('13056'))
  ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number 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.

Information bulletins that may apply · 1

Historical bulletins · 3
Query with SQL
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 ('13056'))
  GROUP BY s.saib_number ORDER BY issue_date 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.

Registered aircraft · 0

No aircraft currently registered with this engine model

NTSB investigations

No NTSB investigations matched to aircraft with this engine modelMatched through the registry by N-number, so foreign aircraft and some older cases aren’t counted.

FAA incident reports

No reports matched to aircraft with this engine modelMatched through the registry by N-number, so foreign aircraft and some older reports aren’t counted.

Service difficulty reports · 7

SDR SWAA202601015715Data Plate · detachedENGINE DATA PLATE, DETACHES FROM THE ENGINE FAN FRAME. THIS ALL EA PROVIDES TEMPORARY RELIEF AND INITIATES EA M-20-172-00810-TLD TO AUTHORIZE A 45-DAY DEFERRAL OF REINSTALLATION OF DATA PLATE OR THE BRACKET AND DATA PLATE ASSEMBLY.Jan 1, 2026 · N7857B · Boeing 73779P · Engine (Turbine/Turboprop)SDR CALA2025041603886Blade · damagedCREW DEBRIEF - ON ROTATION. FELT THUMP. ON CLIMB #2 ENGINE STALLED 3 TIMES. REDUCED POWER, ENGINE QUIT STALLING. ONCE LEVELED OUT.ACCOMPLISHED CHECKLIST. SHUT ENGINE DOWN. NO SEVER VIBRATION. AT ROTATION FLT CREW OBSERVED A RABBIT INGESTED #2 ENGINE, ENGINE STApr 13, 2025 · N27213 · Boeing 737824 · Turbine Engine Air Inlet SectionSDR AALA202409045990Valve · failedAIRCRAFT WAS GROUNDED: REPORTED FUEL SMELL IN CABIN CAME FROM ENGINE STARTING ISSUES. REMOVED AND REPLACED ENGINE 1 SPAR VALVE. PER AMM 28-22-11. OPERTIONAL CHECK NORMAL. ACCOMPLISHED ENGINE RUN AND FOUND PARAMETERS NORMAL. NO ODOR NOTICED IN CABIN.Aug 31, 2024 · N951NN · Boeing 737823 · Engine Fuel DistributionSDR 2022F00213Blade · crackedIN COMPLIANCE WITH AD 2018-26-01 AND SB CFM56-7B S/B 72-1033 REV 3. JAW PARA 3. F. (4)(C) - FAN BLADE #20 OF #1 ENGINE FOUND UNSERVICEABLE. REPEATABLE UT CRACK INDICATION AT CONVEX AREA OF DOVETAIL EXCEEDING 30%.May 9, 2022 · N738A · Boeing 737 · Turbine Engine Air Inlet SectionSDR AALA201803199018Pump · defectiveTHE AIRCRAFT WAS GROUNDED. DIVERTED THE FLIGHT DUE TO A RIGHT ENGINE AFT SUMP CHIP DETECTOR INDICATION. DECLARED AN EMERGENCY AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE RIGHT ENGINE LUBRICATION UNIT. PERFORMED INSTALLATION TEST, NO LEAKS Mar 16, 2018 · N884NN · Boeing 737823 · Turbine Engine Oil SystemSDR ASCB20160225001Frame · corrodedEXFOLIATION CORROSION FOUND ON THE AFT FACE OF THE FUSELAGE FRAME AT BS 303.9, IN THE AREA OF THE FORWARD LT PASSENGER DOOR LOWER HINGE FITTING.Jan 19, 2016 · N743A · Boeing 7377* · Fuselage Main, FrameSDR SCNA20131120190Engine · failedON TAKEOFF ROLL, ENGINES ABOVE 40 PERCENT NG, AUTOTHROTTLES JUST STARTING TO TAKE CONTROL, THERE WAS A BANG AND NR 2 ENGINE STARTED TO ROLL BACK. FLIGHT WAS UNDER 80 KTS AND THE CREW ABORTED THE TAKEOFF AND RETURNED TO THE GATE.Nov 19, 2013 · N814SY · Boeing 7378BK · Engine (Turbine/Turboprop)
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 = 'CFM567B24B1'
  ORDER BY difficulty_date 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.

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.

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 ('13056')
    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.

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, ['CFM56-7B24/B1'])) > 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.