# NTSB investigations: Piper PA-28R-200: 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 ERA20LA302](https://openairdocs.org/ntsb/ERA20LA302.md): Piper PA28R · Fletcher, NC · Accident · No injuries · Class 3 · Limited · Final report · Aug 27, 2020 · N9341N · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on available evidence.
- [NTSB WPR19LA136](https://openairdocs.org/ntsb/WPR19LA136.md): Piper PA28R · Winter Haven, FL · Accident · No injuries · Class 3 · Limited · Final report · May 4, 2019 · N2134T · Substantial damage
  > A partial loss of engine power due to worn fuel valve O-rings, which allowed air into the fuel system and resulted in a forced landing to unsuitable terrain.
- [NTSB ERA18FA137](https://openairdocs.org/ntsb/ERA18FA137.md): Piper PA28R · Gainesville, GA · Accident · 1 fatal · Field investigation · Final report · Apr 28, 2018 · N4363F · Substantial damage
  > A partial loss of engine power due to inadequate thru-bolt and stud preload tension by undetermined maintenance personnel, which resulted in fretting between the engine crankcase halves, and the subsequent separation of the No. 2 cylinder due to the fatigue…
- [NTSB ERA17LA110](https://openairdocs.org/ntsb/ERA17LA110.md): Piper PA28R · Bayonne, NJ · Accident · Serious injuries · Limited investigation · Final report · Feb 19, 2017 · N15745 · Substantial damage
  > Maintenance personnel’s incorrect installation of the No. 3 cylinder’s hydraulic valve tappet plunger, which resulted in a failure of the No. 3 cylinder’s intake valve and the subsequent partial loss of engine power.
- [NTSB GAA17LA090](https://openairdocs.org/ntsb/GAA17LA090.md): Piper PA28R · Watertown, WI · Accident · No injuries · Limited investigation · Final report · Nov 5, 2016 · N300KR · Substantial damage
  > The pilot’s failure to attain a proper glidepath on approach for landing, which resulted in impact with trees. Contributing to the accident was a partial, temporary loss of engine power for reasons that could not be determined because postaccident examination…
- [NTSB CEN16LA227](https://openairdocs.org/ntsb/CEN16LA227.md): Piper PA 28R-200 · Bowie, TX · Accident · No injuries · Limited investigation · Final report · Jun 20, 2016 · N9336N · Substantial damage
  > The inadequate maintenance and inspection of the throttle control arm, which resulted in its in-flight separation and the subsequent loss of engine power.
- [NTSB ERA12LA267](https://openairdocs.org/ntsb/ERA12LA267.md): Piper PA-28R-200 · Eastover, SC · Accident · No injuries · Limited investigation · Final report · Apr 3, 2012 · N961JD · Substantial damage
  > Inadequate or loss of through bolt preload tension, which resulted in fretting between the engine halves, the subsequent failure of one cylinder through bolt, the loosening of additional cylinder retaining studs, and the fracture of the crankcase.…
- [NTSB WPR11LA160](https://openairdocs.org/ntsb/WPR11LA160.md): Piper PA-28R-200 · Agoura Hills, CA · Accident · No injuries · Limited investigation · Final report · Mar 11, 2011 · N75224 · Substantial damage
  > The loss of engine power during cruise flight for undetermined reasons.
- [NTSB MIA08LA159](https://openairdocs.org/ntsb/MIA08LA159.md): Piper PA-28R-200 · West Kingston, RI · Accident · No injuries · Limited investigation · Final report · Aug 2, 2008 · N56064 · Substantial damage
  > The pilot's misjudgment of speed and altitude while maneuvering to land during an emergency descent. Contributing to the accident was the partial loss of engine power.

## 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 ('7102811')
    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=7102811

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