# NTSB investigations, 2009: Electrical system malf/failure

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 WPR10LA091](https://openairdocs.org/ntsb/WPR10LA091.md): Beech A23-24 · Camas, WA · Accident · No injuries · Limited investigation · Final report · Dec 22, 2009 · N973WP · Substantial damage
  > The left magneto's broken p-lead, which led to the engine inadvertently starting while the pilot was turning the propeller by hand.
- [NTSB ERA10LA004](https://openairdocs.org/ntsb/ERA10LA004.md): Piper PA-32R-300 · Whiteville, NC · Accident · No injuries · Limited investigation · Final report · Oct 3, 2009 · N8809C · Substantial damage
  > The pilot's improper flare and subsequent hard landing during an intentional gear-up landing following multiple mechanical malfunctions. Also causal to the accident was an inoperative landing gear emergency-down valve which had blockage for undetermined…
- [NTSB ENG09IA016](https://openairdocs.org/ntsb/ENG09IA016.md): Boeing 767 432ER · St. Johns, Canada · Incident · No injuries · Incident investigation · Final report · Sep 8, 2009 · N840MH · Minor damage
  > Incorrect installation of a wire bundle, which contained wires for oxygen system, passenger address system and lavatory power, led to chafing of the wires on structure. The chafing eventually exposed the wire conductors and resulted in electrical arcing,…
- [NTSB WPR09LA423](https://openairdocs.org/ntsb/WPR09LA423.md): Cessna TU206G · Ballard, WA · Accident · Minor injuries · Limited investigation · Final report · Aug 28, 2009 · N682RC · Substantial damage
  > The pilot's precautionary water landing with partially extended landing gear. Contributing to the accident was the unidentified anomaly with the airplane's electrical system, which rendered the gear position indicator system inoperative.
- [NTSB ERA09IA326](https://openairdocs.org/ntsb/ERA09IA326.md): Iniziative Sky Arrow · Marietta, GA · Incident · No injuries · Incident investigation · Final report · Jun 8, 2009 · N445SA · No damage
  > An electrical fire due to the lack of a positive locking mechanism for the fuse retainer in the main fuse block, which resulted in voltage fluctuations that caused thermal damage to the avionics cooling fan. Contributing to the incident was the student…
- [NTSB CEN09LA281](https://openairdocs.org/ntsb/CEN09LA281.md): Cessna 551 · Stillwater, OK · Accident · No injuries · Limited investigation · Final report · May 5, 2009 · N740JB · Substantial damage
  > The pilot's loss of control for undetermined reasons.
- [NTSB ERA09CA245](https://openairdocs.org/ntsb/ERA09CA245.md): Piper PA-18-150 · Tampa, FL · Accident · Minor injuries · Data collection · Final report · Apr 11, 2009 · N1982P · Substantial damage
  > The pilot's failure to confirm that the landing gear was retracted prior to the attempted water landing.

## 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") = 2009
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '332' 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/332/sequence?year=2009

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