NTSB investigations: CFM International CFM56 series
24 cases on aircraft whose registry engine model is CFM International CFM56 series, where the first occurrence was “Airframe/component/system failure/malfunction”. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 1990 | 1 |
|---|---|
| 1993 | 1 |
| 1995 | 4 |
| 1996 | 4 |
| 1997 | 1 |
| 1998 | 2 |
| 1999 | 2 |
| 2001 | 4 |
| 2003 | 1 |
| 2006 | 2 |
| 2007 | 2 |
Where
Open the mapLatest cases
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_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
WHERE c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('13802')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 130))
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.
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_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('13802')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB DEN08IA033Incident · No injuriesIncident investigationFinal reportBoeing 737-832 · Phoenix, AZDelamination of the right outboard tire tread during the takeoff roll due to underinflation and/or overloading during use in service.NTSB CHI08IA022Incident · No injuriesIncident investigationFinal reportAirbus Industrie A320-211 · Fargo, NDThe failure of the Brake and Steering Control Unit, which allowed the nose landing gear to turn to the 90-degree position.NTSB LAX07IA014Incident · No injuriesIncident investigationFinal reportBoeing 737-790 · Los Angeles, CAA complete failure and depressurization of both hydraulic systems due to two separate events: 1) the failure of a engine driven pump on the 'A' system, and 2) the fatigue fracture and failure of a hydraulic line on the 'B' system.NTSB NYC06FA184Accident · Minor injuriesField investigationFinal reportBoeing 737-300 · Pittsburgh, PAThe airplane tug driver's inadvertent movement of the tug gear shift lever from forward to reverse, which resulted in the nose landing gear collapse. Contributing to the accident was the defective gear shift lever.NTSB MIA04LA004Accident · Serious injuriesLimited investigationFinal reportAirbus Industrie A-319-112 · Tampa, FLAn intermittent fault with the airplane's Brake Steering Control Unit (BSCU) for undetermined reasons, which resulted in a momentary loss of brakes and steering, and a serious injury to a flight attendant during the resultant sudden stop during taxi for…NTSB ANC02IA007Incident · No injuriesIncident investigationFinal reportDouglas DC-8-71F · Anchorage, AKThe asymmetrical activation of the left wing spoiler due to a broken retraction cable during takeoff. A factor associated with the incident was the operator's inadequate inspection of the cable.NTSB LAX02IA002Incident · No injuriesIncident investigationFinal reportBoeing 737-700 · Santa Ana, CAThe failure of the stabilizer electric trim motor as a result of internal mechanical seizure.NTSB MIA01IA129Incident · No injuriesIncident investigationFinal reportMcDonnell Douglas DC-8-71F · Nashville, TNThe failure of company maintenance personnel to install the correct hydraulic landing gear extension component, and the failure of company maintenance inspection personnel to comply with proper post maintenance test procedures, resulting in the impossibility…NTSB SEA01IA039Incident · No injuriesIncident investigationFinal reportMcDonnell Douglas DC-8-71F · Seattle, WAA malfunctioning relay in the aircraft's flight management system (FMS) switching matrix and associated false "on course" indication on the captain's course deviation indicator (CDI), resulting in proper localizer course alignment not being obtained or…NTSB DEN00IA032Incident · No injuriesIncident investigationFinal reportBoeing 737-347 · Salt Lake City, UTImproper assembly of the wheel during build up in the operator's maintenance facilities.NTSB SEA00IA019Incident · No injuriesIncident investigationFinal reportBoeing 737-400 · Portland, ORArcing in the electrical system wiring for undetermined reasons.NTSB NYC99IA024Incident · No injuriesIncident investigationFinal reportBoeing 737-3TO · Newark, NJA loss of torque on the apex nut of the shimmy damper for undetermined reason(s), which resulted in a failure of the shimmy damper, and the subsequent failure of the lower torsion link of the right main landing gear.NTSB CHI98IA095Incident · No injuriesIncident investigationFinal reportAirbus Industrie A-320-212 · Memphis, TNthe inadequate (bronze) material used by the fuel pump's manufacturer, which wore and ultimately blocked the fuel filter bypass and partially blocked the fuel nozzles, causing the fuel spray to burn through the low pressure turbine case.NTSB SEA97IA071Incident · No injuriesIncident investigationFinal reportMcDonnell Douglas DC-8-71F · Portland, ORimproper installation of four attach bolts on the elevator drive torque tube.NTSB CHI97IA034Incident · No injuriesIncident investigationFinal reportAirbus Industrie A-320-211 · Romulus, MIrestricted movement of the autopilot mode engagement/disengagement lever bearing in the rudder artificial feel and trim unit. A factor relating to this incident was: company management not implementing the respective service bulletin.NTSB CHI96IA207Incident · No injuriesIncident investigationFinal reportAirbus Industrie A-320 · Boston, MAan undetermined intermittent fault in the trimmable horizontal stabilizer actuator system.NTSB LAX96IA184Incident · No injuriesIncident investigationFinal reportBoeing 737-300-3H4 · Ontario, CAThe repair facility's improper assembly of the landing gear oleo strut during overhaul.NTSB CHI96IA109Incident · No injuriesIncident investigationFinal reportAirbus Industrie A320-211 · Detroit, MIa defective diode in the number two stabilizer actuator that produced an intermittent loss of electrical motor power during transient, closed loop control of the actuator. A factor was the intermittent open circuit in the elevator servo controller…NTSB MIA95IA214Incident · No injuriesIncident investigationFinal reportBoeing 737-3B7 · Fort Lauderdale, FLLow electrical resistance of the autopilot aileron actuator for unspecified reasons which resulted in an uncommanded roll to the right.NTSB FTW95IA348Incident · No injuriesIncident investigationFinal reportBoeing 737-3H4 · Lubbock, TXinstallation of an incorrect bearing in the number three main wheel by the wheel assembly supplier, which led to subsequent failure of the wheel bearing and separation of the wheel during takeoff.NTSB MIA95IA187Incident · No injuriesIncident investigationFinal reportBoeing 737-3B7 · Orlando, FLContamination of the wiring harness and electrical connectors to the E-1-2 and E-1-3 shelf disconnect brackets in the electronics compartment, which resulted in an electrical fault and an uncommanded roll malfunction of the autopilot. A factor relating to the…NTSB CHI95IA342Incident · No injuriesIncident investigationFinal reportAirbus Industrie A320-211 · Minneapolis, MNinadequate design of the fly-by-wire flight control system which allowed false signals from the sidestick transducer units to generate uncommanded rolls.NTSB CHI93IA354Incident · No injuriesIncident investigationFinal reportBoeing 737-300 · St. Louis, MOa failure of the left outboard foreflap due to the loss of the bolts that hold the inboard sequencing carriage to the foreflap attach lug.NTSB CHI90IA070Incident · No injuriesIncident investigationFinal reportBoeing B737-300 · Cedar Rapids, IAThe failure of all four main landing gear tires on takeoff due to the parking brake being locked.