# NTSB investigations: AC generation system

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 ENG23LA033](https://openairdocs.org/ntsb/ENG23LA033.md): Airbus A320 · Jacksonville, FL · Incident · No injuries · Class 3 · Limited · Final report · Aug 3, 2023 · N649JB · No damage
  > The loss of both Integrated Drive Generators (IDG) due to worn fixed cylinder block bores, which caused the IDGs to be tripped offline and caused the airplane to enter an emergency electrical configuration.
- [NTSB ENG20LA016](https://openairdocs.org/ntsb/ENG20LA016.md): Airbus A319 · Sacramento, CA · Incident · No injuries · Class 3 · Limited · Final report · Feb 15, 2020 · N521NK · No damage
  > A worn component within each engine integrated drive generator (IDG) resulted in the loss of electrical power supplied to several flight deck displays and systems while on approach to landing. The component, a fixed cylinder block, had significant wearing of…
- [NTSB WPR13FA368](https://openairdocs.org/ntsb/WPR13FA368.md): Beech E35 · West Yellowstone, MT · Accident · 1 fatal · Field investigation · Final report · Aug 12, 2013 · N3226C · Substantial damage
  > The pilot's failure to maintain airplane control while aligning the airplane with the runway for landing, which resulted in the airplane exceeding its critical angle of attack and experiencing an aerodynamic stall. Contributing to the accident was the pilot's…
- [NTSB ENG10RA017](https://openairdocs.org/ntsb/ENG10RA017.md): Bombardier DHC-8 · London, United Kingdom · Incident · No injuries · Foreign investigation · Dec 21, 2009 · G-JEDI · Minor damage
  > On 12/21/2009 a Bombardier DHC-8-402 (G-JEDI) suffered a loss of AC electrical power on departure from London Gatwick Airport. The crew returned to London Gatwick for an uneventful landing. Subsequent maintenance revealed heat damage to a wiring loom in the…

## 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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '01022420'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/01022420/cases

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