# NTSB investigations: Cessna 172RG: Loss of engine power (partial)

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 ERA25LA188](https://openairdocs.org/ntsb/ERA25LA188.md): Cessna 172RG · Louisburg, NC · Accident · No injuries · Class 3 · Limited · Final report · Apr 23, 2025 · N6386V · Substantial damage
  > Maintenance personnel’s failure to identify and remediate water contamination of the airplane’s fuel system, which resulted in a partial loss of engine power during initial climb.
- [NTSB ANC19LA034](https://openairdocs.org/ntsb/ANC19LA034.md): Cessna 172RG · Ocean City, MD · Accident · No injuries · Class 3 · Limited · Final report · Jul 16, 2019 · N9715B · Substantial damage
  > A partial loss of power due to the liberation or failure of the No. 2 cylinder's exhaust valve.
- [NTSB CHI08LA230](https://openairdocs.org/ntsb/CHI08LA230.md): Cessna 172RG · Tomahawk, WI · Accident · Minor injuries · Limited investigation · Final report · Aug 2, 2008 · N6520R · Substantial damage
  > A total loss of engine power due to a loss of all of the engine's oil as a result of the safety wire on the governor idler gear shaft's oil plug breaking, leading to the oil plug coming unscrewed. Contributing to the accident was the lack of a suitable area…
- [NTSB LAX08LA221](https://openairdocs.org/ntsb/LAX08LA221.md): Cessna 172RG · Moorpark, CA · Accident · Minor injuries · Limited investigation · Final report · Jul 9, 2008 · N9627B · Substantial damage
  > A partial loss of engine power due to the disconnection of the throttle control cable from the throttle arm due to the operator's improper maintenance. Contributing to the accident was unsuitable 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('2072438')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '342' 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/342/sequence?model=2072438

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