# NTSB investigations, PR: Aircraft power plant

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 ERA26LA176](https://openairdocs.org/ntsb/ERA26LA176.md): Icon A5 · Levittown, PR · Accident · No injuries · Class 3 · Limited · Final report · Apr 15, 2026 · N558BA · Substantial damage
  > An oil line separation at a barbed fitting in an experimental airplane, which resulted in a total loss of engine power due to oil starvation.
- [NTSB ERA24LA239](https://openairdocs.org/ntsb/ERA24LA239.md): Cessna 150 · San Juan, PR · Accident · Serious injuries · Class 3 · Limited · Final report · Jun 1, 2024 · N6198K · Substantial damage
  > A partial loss of engine power due to the failure of the No. 2 cylinder rocker shaft bosses from fatigue cracking.
- [NTSB ERA20LA202](https://openairdocs.org/ntsb/ERA20LA202.md): Piper PA23 · San Juan, PR · Accident · 2 fatal · Class 3 · Limited · Final report · Jun 2, 2020 · N14181 · Substantial damage
  > The pilot’s intentional operation of the airplane with known deficiencies of the left engine and subsequent in-flight loss of control after takeoff. Contributing to the loss of engine power was internal contamination of the left servo fuel injector.…
- [NTSB ERA18LA165](https://openairdocs.org/ntsb/ERA18LA165.md): Cessna 182 · Arecibo, PR · Accident · Serious injuries · Limited investigation · Final report · Jun 10, 2018 · N3889D · Substantial damage
  > Maintenance personnel's failure to properly apply torque to the engine through bolts, which ultimately resulted in the crankshaft failure and the total loss of engine power.
- [NTSB ERA17LA126](https://openairdocs.org/ntsb/ERA17LA126.md): Eurocopter AS 350 · San Juan, PR · Accident · No injuries · Limited investigation · Final report · Feb 21, 2017 · N413LP · Substantial damage
  > The flight instructor's incorrect manipulations of the twist grip throttle control during a practice autorotation, which resulted in an engine overspeed and subsequent fire.
- [NTSB ERA16LA076](https://openairdocs.org/ntsb/ERA16LA076.md): Porrata Luis G Rans S 12XL · Guanica, PR · Accident · No injuries · Limited investigation · Final report · Dec 19, 2015 · N124LP · Substantial damage
  > The pilot/owner's failure to maintain the engine in accordance with manufacturer guidance, which resulted in the undetected corrosion of the power takeoff bearing, subsequent bearing failure, and a total loss of engine power.
- [NTSB ERA15LA280](https://openairdocs.org/ntsb/ERA15LA280.md): MD Helicopter 369FF · Vega Baja, PR · Accident · No injuries · Class 3 · Limited · Final report · Jul 24, 2015 · N5842Z · Substantial damage
  > A total loss of engine power due to insufficient lubrication to the engine's No. 2 bearing, which resulted in the failure of the bearing and a subsequent forced landing.
- [NTSB ENG13IA036](https://openairdocs.org/ntsb/ENG13IA036.md): Boeing Company, Long Beach Div Boeing MD-11 · Aguadilla, PR · Incident · No injuries · Incident investigation · Final report · Aug 31, 2013 · PH-MCW · Minor damage
  > an insufficiently robust flange attachment hardware design, which failed to contain engine components that were liberated during an LPT mechanical failure, resulting in engine/nacelle uncontainment. A factor in the incident was the lack of a module-level LPT…
- [NTSB DCA12FA051](https://openairdocs.org/ntsb/DCA12FA051.md): Convair 440 - NO Series · San Juan, PR · Accident · 2 fatal · Class 1 · Field · Final report · Mar 15, 2012 · N153JR · Destroyed
  > the flight crew's failure to maintain adequate airspeed after shutting down the right engine due to an in-flight fire in one of the right augmentors. The failure to maintain airspeed resulted in either an aerodynamic stall or a loss of directional control.
- [NTSB ERA11LA230](https://openairdocs.org/ntsb/ERA11LA230.md): Cessna 172P · Vega Baja, PR · Accident · No injuries · Limited investigation · Final report · Apr 1, 2011 · N98FR · Substantial damage
  > The failure of the No. 2 cylinder exhaust valve resulting in a loss of engine power.
- [NTSB ERA10LA207](https://openairdocs.org/ntsb/ERA10LA207.md): Luciano Edison HA-2 Sportster · Humacao, PR · Accident · 1 fatal · Limited investigation · Final report · Apr 3, 2010 · N764EL · Substantial damage
  > The failure of the pilot to maintain control of the gyrocraft while maneuvering after takeoff. Contributing to the accident was the pilot’s operation of the gyrocraft with an inoperative right magneto.

## 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" = 'PR' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '0105'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/0105/cases?state=PR

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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.