# NTSB investigations, PA: 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 ERA23LA034](https://openairdocs.org/ntsb/ERA23LA034.md): Cessna A185E · York, PA · Accident · No injuries · Class 3 · Limited · Final report · Oct 22, 2022 · N36ZN · Substantial damage
  > Oil starvation of the number 1 connecting rod bearings, which resulted in a total loss of engine power.
- [NTSB ERA21FA253](https://openairdocs.org/ntsb/ERA21FA253.md): Vans RV6 · Buckingham, PA · Accident · 1 fatal · Class 3 · Field · Final report · Jun 15, 2021 · N74MS · Substantial damage
  > An exhaust system leak that resulted in failure of the oil quick drain, a loss of oil lubrication, an in-flight fire, and the pilot’s subsequent loss of airplane control.
- [NTSB DCA18MA142](https://openairdocs.org/ntsb/DCA18MA142.md): Boeing 737 7H4 · Philadelphia, PA · Accident · 1 fatal · Class 1 · Major · Final report · Apr 17, 2018 · N772SW · Substantial damage
  > A low-cycle fatigue crack in the dovetail of fan blade No. 13, which resulted in the fan blade separating in flight and impacting the engine fan case at a location that was critical to the structural integrity and performance of the fan cowl structure. This…
- [NTSB ERA18LA072](https://openairdocs.org/ntsb/ERA18LA072.md): Cessna P210N · Farmington, PA · Accident · Minor injuries · Class 3 · Limited · Final report · Jan 29, 2018 · N34VF · Substantial damage
  > A total loss of engine power due to fatigue failure of the crankshaft drive gear teeth.
- [NTSB ERA17LA185](https://openairdocs.org/ntsb/ERA17LA185.md): Cessna 182 · West Chester, PA · Accident · No injuries · Limited investigation · Final report · May 21, 2017 · N378ES · Substantial damage
  > An engine crankcase overpressurization and the subsequent loss of engine oil for reasons that could not be determined, which resulted in the failure of the No. 6 cylinder connecting rod due to a lack of lubrication.
- [NTSB ERA15LA311](https://openairdocs.org/ntsb/ERA15LA311.md): Thomas A Siminski Zenith CH 750 · Allentown, PA · Accident · Serious injuries · Limited investigation · Final report · Aug 14, 2015 · N1750Z · Substantial damage
  > A partial loss of engine power due to the No. 1 spark plug being liberated from the cylinder head due to the stripped threads in the cylinder head. Contributing to the accident was the pilot’s decision to attempt to return to the airport while at a low…
- [NTSB ERA12LA343](https://openairdocs.org/ntsb/ERA12LA343.md): Cessna 195A · Tipton, PA · Accident · No injuries · Limited investigation · Final report · May 18, 2012 · N9859A · Substantial damage
  > A fatigue failure of a copper oil line, which resulted in a partial loss of engine power due to oil starvation.
- [NTSB ERA12FA120](https://openairdocs.org/ntsb/ERA12FA120.md): Cessna 441 · Nashville, PA · Accident · 1 fatal · Field investigation · Final report · Dec 22, 2011 · N48BS · Substantial damage
  > The pilot's failure to maintain minimum control airspeed after a loss of power to the right engine, which resulted in an uncontrollable roll into an inadvertent stall/spin. Contributing to the accident was the failure of the airplane's right engine for…
- [NTSB ENG11IA021](https://openairdocs.org/ntsb/ENG11IA021.md): Bombardier DHC 8 402 · Pittsburgh, PA · Incident · No injuries · Incident investigation · Final report · Mar 17, 2011 · N339NG · Minor damage
  > the flight crew's delay in shutting down the left engine following an engine oil pressure master warning, which led to a hard rub inside the engine that served as an ignition point for a titanium fire. Contributing to the event was a PW150 No. 5 seal design…

## 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" = 'PA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '340' 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/340/sequence?state=PA

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