# NTSB investigations, KY: Aircraft maintenance event

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 ERA23LA002](https://openairdocs.org/ntsb/ERA23LA002.md): Aeronca 7AC · Murray, KY · Accident · Serious injuries · Class 4 · Limited · Final report · Oct 2, 2022 · N3005E · Substantial damage
  > The incorrect (reverse) rigging of the elevator cables by maintenance personnel and their subsequent failure to verify that the rigging was correct during post-maintenance checks and the pilot's inadequate preflight check.
- [NTSB ERA16FA248](https://openairdocs.org/ntsb/ERA16FA248.md): Bell Helicopter Textron Canada 407 · Hickory, KY · Accident · 1 fatal · Field investigation · Final report · Jul 11, 2016 · N427TV · Substantial damage
  > Company maintenance personnel's inappropriate removal without replacement of the safety wires on the collective lever pin screws during a recent maintenance inspection, which resulted in the screws backing out and led to a loss of collective control in flight.
- [NTSB ERA15LA341](https://openairdocs.org/ntsb/ERA15LA341.md): Piper PA 28RT-201 · Russell Springs, KY · Accident · Minor injuries · Class 2 · Limited · Final report · Sep 4, 2015 · N8162S · Substantial damage
  > Maintenance personnel’s inadequate fuel injection servo maintenance due to an out-of-date AD list, which resulted in the fuel injection servo plug backing out of the threaded plug hole on the regulator cover of the fuel injection servo and subsequent total…
- [NTSB ERA12FA280](https://openairdocs.org/ntsb/ERA12FA280.md): Manzitto Michael A Mwlancair 235 · Hudson, KY · Accident · 1 fatal · Field investigation · Final report · Apr 14, 2012 · N235MW · Substantial damage
  > The pilot's decision to operate the airplane with known electrical system problems, which resulted in the in-flight failure of the electrical wiring interconnect system, loss of electrical power, and subsequent fuel starvation and loss of engine power.
- [NTSB ERA09LA372](https://openairdocs.org/ntsb/ERA09LA372.md): Cessna 172D · Shepherdsville, KY · Accident · No injuries · Limited investigation · Final report · Jun 27, 2009 · N172TJ · Substantial damage
  > The mechanic's improper inspection of the mixture control cable.
- [NTSB MIA08FA122](https://openairdocs.org/ntsb/MIA08FA122.md): Yates Lancair IV-P · Springfield, KY · Accident · 1 fatal · Field investigation · Final report · Jun 18, 2008 · N441L · Substantial damage
  > A total loss of engine power due to a loss of engine oil as a result of the installation of the wrong oil adapter O-ring seal.

## 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" = 'KY' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '040' 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/040/sequence?state=KY

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