# Final NTSB investigations, Outside the U.S.: Powerplant sys/comp malf/fail

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB ENG20LA015](https://openairdocs.org/ntsb/ENG20LA015.md): Airbus A220 · Bordeaux, France · Incident · No injuries · Class 4 · Limited · Final report · Feb 12, 2020 · YL-AAU · No damage
  > A No. 1 (left) engine low pressure compressor (LPC) stage 1 integrally bladed rotor (IBR) separation due to a high cycle fatigue crack (HCF) that originated at the runout of an airfoil leading edge root radius. The HCF crack developed because of a…
- [NTSB ENG20LA001](https://openairdocs.org/ntsb/ENG20LA001.md): Airbus BD-500-1A11 (CS300) · West Flanders Province, Belgium · Incident · Class 3 · Limited · Final report · Oct 15, 2019 · HB-JCC · Minor damage
  > A No. 1 (left) engine low pressure compressor (LPC) stage 1 integrally bladed rotor (IBR) separation due to a high cycle fatigue crack (HCF) that originated at the runout of an airfoil leading edge root radius. The HCF crack developed because of a…
- [NTSB ENG19IA034](https://openairdocs.org/ntsb/ENG19IA034.md): Airbus A220 · Côte-d'Or Region, France · Incident · No injuries · Class 3 · Incident · Final report · Sep 16, 2019 · HB-JCA · No damage
  > A No. 1 (left) engine low pressure compressor (LPC) stage 1 integrally bladed rotor (IBR) separation due to a high cycle fatigue crack (HCF) that originated at the runout of an airfoil leading edge root radius. The HCF crack developed because of a…
- [NTSB ENG19IA029](https://openairdocs.org/ntsb/ENG19IA029.md): Airbus A220 · Perrigny-sur-Armançon, France · Incident · No injuries · Class 3 · Incident · Final report · Jul 25, 2019 · HB-JCM · Minor damage
  > A No. 1 (left) engine low pressure compressor (LPC) stage 1 integrally bladed rotor (IBR) separation due to a high cycle fatigue crack (HCF) that originated at the runout of an airfoil leading edge root radius. The HCF crack developed as a result of a…
- [NTSB ENG19IA008](https://openairdocs.org/ntsb/ENG19IA008.md): Airbus A220 · Busan, South Korea · Incident · Class 3 · Incident · Final report · Dec 26, 2018 · HL8314 · No damage
  > The manufacturer’s inadequate cleaning of the crucible before melting the nickel alloy used in casting the low pressure turbine stage 3 blades that resulted in a casting anomaly from where an intergranular crack occurred became the origin of a fatigue crack…
- [NTSB ENG14IA029](https://openairdocs.org/ntsb/ENG14IA029.md): Bombardier CRJ700 · Hodeida, Yemen · Incident · No injuries · Incident investigation · Final report · Sep 13, 2014 · 7O-FAB · Minor damage
  > The probable cause of the undercowl engine fire was the burn-through of the combustion chamber inner liner from the accumulation of dust that became molten during operating and infiltrated the combustion chamber thermal barrier coating causing it to spall off…
- [NTSB ENG13IA033](https://openairdocs.org/ntsb/ENG13IA033.md): Boeing 777 · Ugolny Airport, Russia · Incident · No injuries · Incident investigation · Final report · Jul 2, 2013 · HL8275 · No damage
  > The failure of the transfer gearbox resulting from the fracture and separation of the radial gearshaft from fatigue cracking as a result of a combination of high residual tensile stresses produced by local decarburization during the manufacturing process…

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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."eventCountry" <> 'USA'
  AND c."completionStatus" = 'Completed'
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '340' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/340/sequence?state=OF&status=final

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
