# NTSB investigations, CO: Powerplant sys/comp malf/fail

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 CEN24LA350](https://openairdocs.org/ntsb/CEN24LA350.md): Cessna 172 · Englewood, CO · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 11, 2024 · N20747 · Substantial damage
  > A partial loss of engine power due to fuel-oil contamination of the fuel injection servo.
- [NTSB CEN24LA036](https://openairdocs.org/ntsb/CEN24LA036.md): Textron 172S · Erie, CO · Accident · No injuries · Class 3 · Limited · Final report · Nov 9, 2023 · N1817E · Substantial damage
  > A partial loss of engine power while maneuvering at a low altitude due to a stuck exhaust valve.
- [NTSB CEN23LA027](https://openairdocs.org/ntsb/CEN23LA027.md): Cessna R172E · Aguilar, CO · Accident · No injuries · Class 3 · Limited · Final report · Nov 5, 2022 · N6051U · Substantial damage
  > Failure of the engine cylinder assembly, which resulted in a loss of engine power during cruise flight and an impact with a fence during the forced landing.
- [NTSB DCA21FA085](https://openairdocs.org/ntsb/DCA21FA085.md): Boeing 777-222 · Broomfield, CO · Incident · No injuries · Class 3 · Field · Final report · Feb 20, 2021 · N772UA · Minor damage
  > The fatigue failure of the right engine fan blade. Contributing to the fan blade failure was the inadequate inspection of the blades, which failed to identify low-level indications of cracking, and the insufficient frequency of the manufacturer’s inspection…
- [NTSB CEN13LA258](https://openairdocs.org/ntsb/CEN13LA258.md): Cessna 182T · Delta, CO · Accident · No injuries · Limited investigation · Final report · May 2, 2013 · N2012Y · Substantial damage
  > The loss of propeller control for reasons that could not be determined because postaccident examinations revealed no anomalies that would have precluded normal operation and the airplane’s subsequent collision with power lines during the forced landing.
- [NTSB CEN12LA655](https://openairdocs.org/ntsb/CEN12LA655.md): TL Ultralight Sro Stingsport · Longmont, CO · Accident · No injuries · Limited investigation · Final report · Sep 1, 2012 · N898N · Substantial damage
  > The failure of the wood propeller blades in flight. Contributing to the accident was the owner/operator’s failure to complete required inspections on the propeller within the specified interval, which reduced the likelihood of detecting the cracks and may…
- [NTSB CEN12LA543](https://openairdocs.org/ntsb/CEN12LA543.md): Cross David L Glasair III · Westcliffe, CO · Accident · Serious injuries · Limited investigation · Final report · Aug 7, 2012 · N71AJ · Substantial damage
  > The loss of oil pressure due to the failure of an oil filter gasket, which resulted in a total loss of engine power.
- [NTSB DEN08CA135](https://openairdocs.org/ntsb/DEN08CA135.md): Grumman G-164A · Walsh, CO · Accident · No injuries · Data collection · Final report · Aug 6, 2008 · N7487 · Substantial damage
  > The total failure of a cylinder head assembly. Contributing to the accident was the lack of suitable terrain for a forced 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 c."eventStateOrRegion" = 'CO' 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" = '340')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/340/cases?state=CO

---
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.