# NTSB investigations, NV: 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 WPR24LA268](https://openairdocs.org/ntsb/WPR24LA268.md): Piper PA-34-220T · Minden, NV · Accident · No injuries · Class 3 · Limited · Final report · Aug 5, 2024 · N4145B · Substantial damage
  > The pilot’s improper preflight inspection of the stabilator trim position, which resulted in a porpoised landing. Contributing to the accident was the maintenance personnel’s improper maintenance of the stabilator trim shaft.
- [NTSB WPR23LA272](https://openairdocs.org/ntsb/WPR23LA272.md): Mellinger B L III/Briebleb R Glasair III · Pahrump, NV · Accident · No injuries · Class 3 · Limited · Final report · Jul 17, 2023 · N196G · Substantial damage
  > A fuel leak due to damaged threads on a fuel line fitting, which resulted in an interruption of fuel flow and a total loss of engine power due to fuel starvation.
- [NTSB WPR23LA232](https://openairdocs.org/ntsb/WPR23LA232.md): Piper PA-28-140 · Rochester, NV · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 17, 2023 · N3508K · Substantial damage
  > A broken fuel line fitting that resulted in a total loss of engine power due to fuel starvation.
- [NTSB WPR18LA070](https://openairdocs.org/ntsb/WPR18LA070.md): Piper PA 32-300 · Reno, NV · Accident · No injuries · Limited investigation · Final report · Jan 17, 2018 · N4027W · Substantial damage
  > A total loss of engine power due to fuel starvation. Contributing to the accident was the failure of the pilot/owner to ensure that the airplane was airworthy before flight.
- [NTSB WPR16FA166](https://openairdocs.org/ntsb/WPR16FA166.md): Douglas TA-4K · Las Vegas, NV · Accident · Minor injuries · Field investigation · Final report · Aug 18, 2016 · N140EM · Destroyed
  > Foreign object debris in the engine's main fuel control unit, which restricted fuel flow and subsequently resulted in the loss of engine power. Contributing to the accident was the installation or addition of an extra seal during the main fuel control unit…
- [NTSB DCA12MA020](https://openairdocs.org/ntsb/DCA12MA020.md): Eurocopter France AS350B2 · Las Vegas, NV · Accident · 5 fatal · Class 1 · Major · Final report · Dec 8, 2011 · N37SH · Destroyed
  > Sundance Helicopters’ inadequate maintenance of the helicopter, including (1) the improper reuse of a degraded self-locking nut, (2) the improper or lack of installation of a split pin, and (3) inadequate postmaintenance inspections, which resulted in the…
- [NTSB WPR11MA454](https://openairdocs.org/ntsb/WPR11MA454.md): North American/Aero Classics P-51D · Reno, NV · Accident · 11 fatal · Class 1 · Major · Final report · Sep 16, 2011 · N79111 · Substantial damage
  > The reduced stiffness of the elevator trim tab system that allowed aerodynamic flutter to occur at racing speeds. The reduced stiffness was a result of deteriorated locknut inserts that allowed the trim tab attachment screws to become loose and to initiate…
- [NTSB WPR10FA112](https://openairdocs.org/ntsb/WPR10FA112.md): Eurocopter AS350 B3 · Reno, NV · Accident · No injuries · Field investigation · Final report · Jan 17, 2010 · N904CF · Substantial damage
  > The improper installation of the engine-to-main gear box flex coupling, which resulted in the failure of the flex coupling and a loss of power to the rotor system during takeoff. Contributing to the accident was the mechanic who removed the engine's failure…
- [NTSB LAX08LA274](https://openairdocs.org/ntsb/LAX08LA274.md): Killgore Velocity · North Las Vegas, NV · Accident · 3 fatal · Limited investigation · Final report · Aug 22, 2008 · N415MK · Destroyed
  > A partial loss of engine power during initial climb due to the detachment of the engine supercharger drive belt. The detachment resulted from the owner/builder's inadequate installation of the supercharger system and belt-tensioning adjustment.

## 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" = 'NV' 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=NV

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