# NTSB investigations: Lycoming O-360 series: 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 NYC08LA052](https://openairdocs.org/ntsb/NYC08LA052.md): Robinson Helicopter R22 Beta · Gainesville, FL · Accident · No injuries · Limited investigation · Final report · Dec 4, 2007 · N70035 · Substantial damage
  > The pilot's failure to follow the published emergency procedure. Contributing to the accident was a malfunction of the clutch assembly.
- [NTSB LAX07LA274](https://openairdocs.org/ntsb/LAX07LA274.md): Robinson R22 Beta · El Monte, CA · Accident · No injuries · Limited investigation · Final report · Sep 14, 2007 · N877HF · Substantial damage
  > a failure of the main rotor drive system V-belts due to damage sustained when the alternator drive belt failed and pieces of that belt got between the main drive belts and their associated pulleys. A contributing factor was the uneven terrain encountered in…
- [NTSB LAX05LA122](https://openairdocs.org/ntsb/LAX05LA122.md): Robinson R22 Beta · Prescott, AZ · Accident · No injuries · Limited investigation · Final report · Mar 24, 2005 · N225G · Substantial damage
  > The company mechanic's improper maintenance actions, which resulted in the total failure of the main rotor drive belt system on approach to landing. A factor was the soft terrain.
- [NTSB LAX03LA228](https://openairdocs.org/ntsb/LAX03LA228.md): Piper PA-28-181 · Phoenix, AZ · Accident · No injuries · Limited investigation · Final report · Jul 7, 2003 · N288PA · Substantial damage
  > The disengagement of the left control wheel from the control column, which was due to the attaching screw backing out of the nut plate. Also causal was the manufacturer's inadequate design of the installation and the improper length of the screw.
- [NTSB FTW03LA099](https://openairdocs.org/ntsb/FTW03LA099.md): Robinson R22 Beta II · Kent, TX · Accident · Minor injuries · Limited investigation · Final report · Feb 18, 2003 · N54TR · Substantial damage
  > The loss of main rotor drive due to a drive belt separation resulting in a forced landing. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB CHI03FA025](https://openairdocs.org/ntsb/CHI03FA025.md): Robinson R22 · St. Jacob, IL · Accident · No injuries · Field investigation · Final report · Nov 20, 2002 · N559DD · Substantial damage
  > Fatigue fracture of the clutch assembly fan shaft and the resulting complete loss of power to the rotor drive system. A contributing factor was the loss of tail rotor authority due to the secondary failure of the control tube assembly.
- [NTSB SEA02LA182](https://openairdocs.org/ntsb/SEA02LA182.md): Cessna 172RG · Billings, MT · Accident · No injuries · Limited investigation · Final report · Sep 26, 2002 · N6525R · Substantial damage
  > The failure of the landing gear actuator during landing as a result of fatigue.
- [NTSB FTW02LA227](https://openairdocs.org/ntsb/FTW02LA227.md): Robinson R22 Beta · Cornudas, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 3, 2002 · N681MP · Substantial damage
  > The pilot's failure to maintain rotor RPM and his improper landing flare. A contributing factor was the activation of a warning light.

## 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.engine_model_code IN ('41575')
    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=41575&occurrence=130

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