# NTSB investigations, PA: Sys/Comp malf/fail (non-power)

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 ERA22LA272](https://openairdocs.org/ntsb/ERA22LA272.md): Cessna 414 · Monongahela, PA · Accident · No injuries · Class 3 · Limited · Final report · Jun 19, 2022 · N1996G · Substantial damage
  > Loss of braking authority due to a loosened brake line fitting for reasons that could not be determined, which resulted in a runway overrun.
- [NTSB ERA17LA239](https://openairdocs.org/ntsb/ERA17LA239.md): Cessna 210L · Wilkes-Barre/Scranton, PA · Accident · No injuries · Class 3 · Limited · Final report · Jul 11, 2017 · N732FJ · Substantial damage
  > Failure of the left landing gear door actuator, which resulted in a loss of all hydraulic pressure and subsequent gear collapse on landing.
- [NTSB ERA14LA015](https://openairdocs.org/ntsb/ERA14LA015.md): Piper PA-22-135 · Selinsgrove, PA · Accident · Serious injuries · Limited investigation · Final report · Oct 4, 2013 · N170JH · 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 postmaintenance checks and the pilot's inadequate preflight check.
- [NTSB ERA13LA409](https://openairdocs.org/ntsb/ERA13LA409.md): Piper PA-31P · Doylestown, PA · Accident · No injuries · Limited investigation · Final report · Sep 8, 2013 · N57JK · Substantial damage
  > A leaking parking brake valve, which allowed air to enter the left brake line and resulted in the eventual failure of the left wheel brake during the landing roll.
- [NTSB DCA09IA017](https://openairdocs.org/ntsb/DCA09IA017.md): Bombardier CL-600-2B19 · Philadelphia, PA · Incident · No injuries · Incident investigation · Final report · Dec 14, 2008 · N407AW · Minor damage
  > the failure of the maintenance personnel to properly complete the installation, and the inspection personnel to conduct the proper functional test, of the left main landing gear uplock assembly.
- [NTSB ERA09IA056](https://openairdocs.org/ntsb/ERA09IA056.md): DeHavilland DHC-8-311 · Philadelphia, PA · Incident · No injuries · Incident investigation · Final report · Nov 16, 2008 · N326EN · Minor damage
  > The mechanical overload of the nosewheel steering links for undetermined reasons, which resulted in nose landing gear rotation and its subsequent wedging within the wheel well structure.
- [NTSB MIA08LA168](https://openairdocs.org/ntsb/MIA08LA168.md): Piper PA-22-160 · Jeannette, PA · Accident · No injuries · Limited investigation · Final report · Aug 19, 2008 · N9403D · Substantial damage
  > Failure of the brakes to function due to inadequate inspection of the brake cable by maintenance personnel.

## 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" = 'PA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '330')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/330/cases?state=PA

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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.