# NTSB investigations, WA: 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 WPR26LA006](https://openairdocs.org/ntsb/WPR26LA006.md): Siai-Marchetti SM 1019 · Richland, WA · Accident · No injuries · Class 3 · Limited · Preliminary report · Oct 2, 2025 · N3172U · Substantial damage > On October 2, 2025, about 1050 Pacific daylight time, a Siai-Marchetti SM 1019, N3172U, sustained substantial damage when it was involved in an accident near Richland, Washington. The pilot and passenger were not injured. The airplane was operated as a Title… - [NTSB WPR24LA074](https://openairdocs.org/ntsb/WPR24LA074.md): Beck Michael J Sonex · Auburn, WA · Accident · No injuries · Class 3 · Limited · Final report · Jan 16, 2024 · N920MB · Substantial damage > Water contamination within the fuel regulator air-reference system, which resulted in improper fuel metering and a loss of engine power during initial climb. - [NTSB WPR23LA215](https://openairdocs.org/ntsb/WPR23LA215.md): Piper J3C-65 · Belfair, WA · Accident · Serious injuries · Class 3 · Limited · Final report · Jun 4, 2023 · N77583 · Substantial damage > The total loss of engine power due to the fatigue failure of the crankshaft accessory drive gear. - [NTSB WPR19LA226](https://openairdocs.org/ntsb/WPR19LA226.md): Cessna 177RG · Fall City, WA · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 27, 2019 · N1828Q · Substantial damage > The failure of the No. 3 cylinder intake valve that resulted in a partial loss of engine power and a forced landing on uneven terrain. - [NTSB WPR19LA200](https://openairdocs.org/ntsb/WPR19LA200.md): Beech 33 · Battleground, WA · Accident · No injuries · Class 3 · Limited · Final report · Jul 20, 2019 · N873BC · Substantial damage > A failure of the throttle control assembly for reasons that could not be determined based on available evidence, which resulted in a runway overrun and impact with an obstacle. - [NTSB ENG18IA003](https://openairdocs.org/ntsb/ENG18IA003.md): Airbus A330-243 · Seattle, WA · Incident · No injuries · Class 3 · Incident · Final report · Nov 7, 2017 · N375HA · Minor damage > The loss of control of the left-hand engine and the subsequent thermal damage to the left wing on landing during engine reverse operation was due to a blockage of the variable stator vane torque motor filter that resulted in the engine’s electronic engine… - [NTSB WPR17LA119](https://openairdocs.org/ntsb/WPR17LA119.md): Paul R Seipt Sonex · Garfield, WA · Accident · No injuries · Class 3 · Limited · Final report · Jun 3, 2017 · N255BZ · Substantial damage > The pilot’s improper torque of screws that attached the flywheel mounting flange to the crankshaft during engine assembly, which resulted in heavy vibrations and the subsequent in-flight loss of the propeller. - [NTSB ENG17IA003](https://openairdocs.org/ntsb/ENG17IA003.md): Airbus A330 223 · Seattle, WA · Incident · No injuries · Incident investigation · Final report · Oct 26, 2016 · N855NW · No damage > A No. 1 engine fire caused by a fuel manifold supply line high cycle fatigue crack which led to a fuel leak that subsequently ignited on hot engine case surfaces. The fatigue crack originated and progressed due to elevated fuel manifold assembly vibration… - [NTSB WPR16FA095](https://openairdocs.org/ntsb/WPR16FA095.md): Mooney M20K · Woodland, WA · Accident · 1 fatal · Field investigation · Final report · Apr 21, 2016 · N97119 · Substantial damage > The pilot's delay in recognizing that the airplane was not performing as expected and aborting the takeoff, which resulted in collision with a berm beyond the end of the runway. Contributing to the accident were the pilot's exceedance of the airplane's gross… - [NTSB WPR15LA109](https://openairdocs.org/ntsb/WPR15LA109.md): Bell/Garlick UH 1H · Shelton, WA · Accident · No injuries · Limited investigation · Final report · Feb 19, 2015 · N166DR · Substantial damage > The fatigue failure of the engine-to-transmission driveshaft adapter attachment bolt due to the application of inadequate torque on the bolt during assembly. - [NTSB WPR13FA243](https://openairdocs.org/ntsb/WPR13FA243.md): Hiller UH-12E · Wenatchee, WA · Accident · Minor injuries · Field investigation · Final report · May 26, 2013 · N99090 · Substantial damage > Fatigue failure of the six bolts that secured the bevel gear to the first stage planetary carrier, which caused the transmission to seize while the helicopter and main rotor were still operating. - [NTSB WPR10LA196](https://openairdocs.org/ntsb/WPR10LA196.md): Cessna P210N · Leavenworth, WA · Accident · No injuries · Limited investigation · Final report · Apr 4, 2010 · N3599P · Substantial damage > The failure of the number two cylinder exhaust and intake valves for undetermined reasons, which resulted in a loss of engine power. - [NTSB WPR09LA362](https://openairdocs.org/ntsb/WPR09LA362.md): Mooney M20C · Elma, WA · Accident · 1 fatal · Limited investigation · Final report · Jul 22, 2009 · N6422U · Destroyed > A total loss of engine power during cruise flight due to the fatigue failure of the number 4 cylinder connecting rod. ## 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" = 'WA' 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=WA --- 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.