# NTSB investigations: Pratt & Whitney R1340 series, 2002: Airframe/component/system failure/malfunction

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 ANC03LA021](https://openairdocs.org/ntsb/ANC03LA021.md): de Havilland DHC-3 · Nikolai, AK · Accident · No injuries · Limited investigation · Final report · Dec 28, 2002 · N3904 · Substantial damage
  > An improper and undocumented major repair of the elevator torque tube support assembly by an unknown person, which resulted in an in-flight disconnection of the airplane's right elevator, and a jammed rudder. A factor associated with the accident is the…
- [NTSB DEN03LA016](https://openairdocs.org/ntsb/DEN03LA016.md): North American T-6G · Elbert, CO · Accident · No injuries · Limited investigation · Final report · Nov 17, 2002 · N7197C · Substantial damage
  > overload failure of the cable between the left rudder pedal and the tail wheel, rendering directional control impossible and resulting in an inadvertent ground loop and nose over. Contributing factors were the crosswind and the soft, wet ground.
- [NTSB LAX02LA257](https://openairdocs.org/ntsb/LAX02LA257.md): Air Tractor AT-301 · Dos Palos, CA · Accident · No injuries · Limited investigation · Final report · Aug 22, 2002 · N8793S · Substantial damage
  > the failure of the propeller blade due to fatigue. Factors in the accident were the inadequate maintenance-repair of the blade, and, inadequate pilot preflight inspections.
- [NTSB LAX02LA216](https://openairdocs.org/ntsb/LAX02LA216.md): Grumman-Schweizer G-164B · Sacramento, CA · Accident · No injuries · Limited investigation · Final report · Jul 6, 2002 · N3631B · Substantial damage
  > Propeller blade failure due to fatigue. A contributing factor was the rising embankment.

## 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 year(c."eventDate") = 2002
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52016')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52016&occurrence=130&year=2002

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