Engine model · Turbo-fan · registry code 13128

Manufacturer (registry)
CFM INTL
Model
LEAP-1B27 SER
Registry code
13128
Type
Turbo-fan
Power
26,786 lb thrust
Data sheet
TCDSE00088EN
Holder
CFM International S.A.

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 · 9

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

2018In forceSuperseded2026
ADs by the year they took effect: 12 ADs
20182
20191
20201
20211
20222
20231
20241
20253
Superseded and historical ADs · 3
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 ('13128'))
  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.

Registered aircraft · 48

See all 48 registered aircraft
Query with SQL
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 ('13128')
  ORDER BY n_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.

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 · 5

SDR 2026FA0000205Turnbuckle · misconfigured2 ENGINES DELIVERED WITH A CONFIGURATION NOT CERTIFICATED. DUE TO THE PROCUREMENT CONSTRAINTS RELATED TO THE TURNBUCKLES PRE-SB 72-0182, A DR WAS RAISED FOR EACH AFFECTED ENGINE TO REWORK THE TURNBUCKLES POST-SB AND USE THEM IN THE PRE-SB CONFIGURATION. CUSTOMMar 20, 2026 · Turbine Engine Compressor SectionSDR SWAA2026030275464Scupper · fireGROUND CREW OBSERVED FLAME COMING FROM SCUPPER VENT ON NR 1 ENG. USED RAMP FIRE EXTINGUISHER TO EXTINGUISH. PERFORMED CLEANING AFTER DRY CHEMICAL FIRE EXTINGUISHER USED ON #1 ENG SCUPPER VENT AND NO DAMAGE FOUND AT THIS TIME PER AMM 05-51-95 AND EA M-23-172-0Feb 28, 2026 · N8826Q · Boeing 7378 · Turbine Engine Air Inlet SectionSDR SWAA2025060978993Engine · auto shutdownNUMBER 2 ENGINE AUTO SHUTDOWN; WHITE BOX EGT ON START. 2 START ATTEMPTS MADE. MAX EGT 600 DEGREES C. PERFORMED A NUMBER OF CONSECUTIVE SUCCCESSFUL STARTS OF NR 2 ENG. PER IFIM G71-00-00-810-950 AND AMM 71-00-00.Jun 5, 2025 · N8749Q · Boeing 7378 · Engine (Turbine/Turboprop)SDR CA190225014Line · damaged(CAN) MAINTENANCE FOUND `A` SYSTEM HYDRAULIC QUANTITY AT 60. UPON INSPECTION FLUID WAS FOUND LEAKING FROM THE #1 ENGINE AFT FAIRING DRAIN TUBE AT A RATE OF APPROX.4 DROPS/SECOND. HYDRAULIC SUPPLY LINE WAS FOUND CHAFFED FROM CONTACT WITH THE AFT STRUT FAIRING, Feb 21, 2019 · Boeing 7378 · Hydraulic System, MainSDR CA180925015Proximity Sensor · failed(CAN) CREW REPORTED A LEADING EDGE SLAT TRANSIT MESSAGE IN CRUISE AT FL360 AND ALSO SLAT LIMIT EXCEEDED FOR SPEED AND ALTITUDE. RESOLUTION LEADING EDGE SLAT PROX SENSOR REPLACED, AS PER AMM 27-88-11-400. OP CHECK CARRIED OUT, AS PER AMM 27-88-11-700-801. SYSSep 24, 2018 · Boeing 7378 · Trailing Flap Position Indicating System
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 = 'LEAP1B27'
  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.

PMA parts · 60

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 60 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 ('E00088EN')
    AND len(list_intersect(tcds_models, ['LEAP-1B27'])) > 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.