# NTSB investigations: Piper PA-24-250: 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 CEN22FA298](https://openairdocs.org/ntsb/CEN22FA298.md): Piper PA-24-250 · St. Jacob, IL · Accident · 1 fatal · Class 3 · Field · Final report · Jul 2, 2022 · N5235P · Destroyed
  > The inadequate maintenance of the airplane fuel system that resulted in fuel exhaustion and a loss of engine power.
- [NTSB ERA19LA085](https://openairdocs.org/ntsb/ERA19LA085.md): Piper PA24 · Wilkes-Barre, PA · Accident · No injuries · Limited investigation · Final report · Jan 3, 2019 · N6872P · Substantial damage
  > The pilot/mechanic's improper installation and securing of the mixture control cable, which led to a simultaneous loss of total engine power and failure of the nose landing gear to fully extend when the cable caught on the nose landing gear assembly.
- [NTSB CEN12LA299](https://openairdocs.org/ntsb/CEN12LA299.md): Piper PA-24-250 · Shawnee, OK · Accident · No injuries · Limited investigation · Final report · May 14, 2012 · N7171P · Substantial damage
  > The improper installation of the mixture cable by maintenance personnel, which allowed the mixture cable to entangle with the landing gear during gear extension and led to the subsequent loss of engine power.
- [NTSB CEN09CA169](https://openairdocs.org/ntsb/CEN09CA169.md): Piper PA-24-250 · Mineral Wells, TX · Accident · No injuries · Data collection · Final report · Feb 3, 2009 · N5451P · Substantial damage
  > The failure of the airframe and power plant mechanic to ensure proper lubrication of wire cables in the landing gear system during the annual inspection which precluded safe operation of the landing gear 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7102404')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND 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?model=7102404

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