# NTSB investigations: GE CF34 series, WI

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 CEN11IA379](https://openairdocs.org/ntsb/CEN11IA379.md): Bombardier CL-600-2B19 · Milwaukee, WI · Incident · No injuries · Incident investigation · Final report · Jun 7, 2011 · N866AS · Minor damage
  > The failure of the right main landing gear (MLG) to extend normally, which resulted from the combination of a slightly worn uplock pin, the operation of the hydraulic pumps below their specified operating pressures, and contamination within the landing gear…
- [NTSB ENG10IA055](https://openairdocs.org/ntsb/ENG10IA055.md): Bombardier CL600 2B19 · Milwaukee, WI · Incident · No injuries · Incident investigation · Final report · Sep 28, 2010 · N498CA · Minor damage
  > The failure of the left main landing gear (MLG) to extend normally and manually for reasons that could not be conclusively determined.
- [NTSB CHI02IA083](https://openairdocs.org/ntsb/CHI02IA083.md): Canadair CL-600-2B19 · Appleton, WI · Incident · No injuries · Incident investigation · Final report · Feb 27, 2002 · N991CA · Minor damage
  > The separation of the low pressure turbine module due to coke resulting in the blockage of the oil system.

## 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."eventStateOrRegion" = 'WI' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('30015'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=30015&state=WI

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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.