# NTSB investigations: 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.

Page 8 of 13 · 628 cases

## Cases, newest first

- [NTSB ERA17LA275](https://openairdocs.org/ntsb/ERA17LA275.md): Piper J3C · Salisbury, CT · Accident · Minor injuries · Limited investigation · Final report · Aug 13, 2017 · N98550 · Substantial damage
  > An improper replacement of the crankshaft by maintenance personnel, which resulted in a failure of the crankshaft gear and total loss of engine power.
- [NTSB WPR17LA174](https://openairdocs.org/ntsb/WPR17LA174.md): Rockwell International S 2R · Brawley, CA · Accident · No injuries · Limited investigation · Final report · Aug 1, 2017 · N4913X · Substantial damage
  > The partial loss of engine power due to the overstress separation of three supercharger drive gear teeth.
- [NTSB WPR17LA157](https://openairdocs.org/ntsb/WPR17LA157.md): Cirrus Design SR22 · Ogden, UT · Accident · No injuries · Class 3 · Limited · Final report · Jul 15, 2017 · N754AP · Substantial damage
  > The failure of the No. 4 cylinder exhaust valve head, which resulted in a total loss of engine power due to oil starvation.
- [NTSB ERA17LA278](https://openairdocs.org/ntsb/ERA17LA278.md): Piper PA28 · Gainsville, GA · Accident · No injuries · Limited investigation · Final report · Jul 7, 2017 · N6653J · Substantial damage
  > The separation of the mixture control cable from the mixture control lever at the carburetor, which resulted in the partial loss of engine power.
- [NTSB CEN17LA255](https://openairdocs.org/ntsb/CEN17LA255.md): Beech A36 · El Paso, TX · Accident · No injuries · Limited investigation · Final report · Jul 4, 2017 · N24LF · Substantial damage
  > A partial loss of engine power for reasons that could not be determined because a postaccident examination did not reveal any anomalies that would have precluded normal engine operation.
- [NTSB WPR17LA144](https://openairdocs.org/ntsb/WPR17LA144.md): Cessna U206F · Page, AZ · Accident · No injuries · Limited investigation · Final report · Jun 23, 2017 · N71001 · Substantial damage
  > The failure of the throttle control cable due to fatigue and maintenance personnel’s failure to replace the cable at the last engine overhaul, which resulted in the pilots’ inability to control engine power and led to a precautionary landing during which the…
- [NTSB ENG17IA028](https://openairdocs.org/ntsb/ENG17IA028.md): Bombardier CL 600 2C10 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Jun 10, 2017 · N715SK · Minor damage
  > A Bombardier CRJ700 No. 1 engine failure caused by buckling of the combustion outer liner due to fatigue cracks. The liner buckling resulted in airflow disruption and reduced engine performance. The engine fuel control unit attempted to compensate for the…
- [NTSB CEN17LA226](https://openairdocs.org/ntsb/CEN17LA226.md): Piper PA 32R-301T · Dalhart, TX · Accident · Minor injuries · Limited investigation · Final report · Jun 9, 2017 · N782SW · Substantial damage
  > The failure of the engine's front bearing seal due to maintenance personnel’s installation of an improperly sized crankshaft seal, which resulted in oil starvation and a forced landing.
- [NTSB WPR17LA121](https://openairdocs.org/ntsb/WPR17LA121.md): Bob Frederick Titan T-51 · Goodyear, AZ · Accident · No injuries · Limited investigation · Final report · Jun 4, 2017 · N51FB · Substantial damage
  > Failure of the propeller speed reduction gearbox input drive gear during the airplane’s initial climb for reasons that could not be determined due to extensive damage.
- [NTSB CEN17FA207](https://openairdocs.org/ntsb/CEN17FA207.md): Varga 2150A · Bowling Green, OH · Accident · 1 fatal · Field investigation · Final report · Jun 1, 2017 · N4635V · Substantial damage
  > The pilot's loss of control due to impairment from carbon monoxide poisoning. Contributing to the accident was the corrosion of the heat exchanger and the failure of maintenance personnel to adequately inspect and repair or replace the exchanger during the…
- [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 WPR17LA097](https://openairdocs.org/ntsb/WPR17LA097.md): Robinson Helicopter R44 · Santa Barbara, CA · Accident · Serious injuries · Limited investigation · Final report · May 5, 2017 · N981RR · Destroyed
  > A total loss of engine power during cruise flight due to the failure of an engine piston rod for reasons that could not be determined due to extensive damage.
- [NTSB CEN17WA160](https://openairdocs.org/ntsb/CEN17WA160.md): Cessna U206 · Seine-Maritime, France · Accident · Minor injuries · Foreign investigation · Apr 9, 2017 · F-HNCM · Substantial damage
  > On April 9, 2017, about 1430 universal coordinated time (UTC), a Cessna U206-F airplane, F-HNCM, flipped on it back during a forced landing near Seine-Maritime, France, following a loss of engine power. The pilot and four passengers received minor injuries…
- [NTSB ENG17WA019](https://openairdocs.org/ntsb/ENG17WA019.md): Saab 340 · Dubbo, Australia · Incident · No injuries · Foreign investigation · Mar 23, 2017 · VH-RXS · No damage
  > On March 23, 2017, a Saab 340B, registered in Australia as VH-RXS, had an in-flight shutdown of the right engine, a General Electric CT7-9B. During the climb, the crew detected abnormal turbine temperatures and vibrations from the right engine. The crew shut…
- [NTSB ENG17IA017](https://openairdocs.org/ntsb/ENG17IA017.md): Douglas DC 9 83 · Dayton, OH · Incident · No injuries · Incident investigation · Final report · Mar 19, 2017 · N881GA · No damage
  > The probable cause of the No. 2 (right) engine fire was an uncontained generator failure. Deformed rotating generator components and/or metal fragments radially released by the generator severed the constant speed drive-to-oil cooler return line located…
- [NTSB ENG17WA016](https://openairdocs.org/ntsb/ENG17WA016.md): Saab 340 · Sydney, Australia · Incident · No injuries · Foreign investigation · Mar 17, 2017 · VH-NRX
  > The Australian Transport Safety Bureau (ATSB) has notified the NTSB of an incident involving a Saab 340B which occurred on March 17, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the ATSB investigation under the provisions of ICAO…
- [NTSB CEN17IA094](https://openairdocs.org/ntsb/CEN17IA094.md): Eurocopter Deutschland MBB BK 117 C-2 · Sioux Falls, SD · Incident · No injuries · Class 2 · Incident · Final report · Jan 27, 2017 · N911MK · Minor damage
  > The gas generator rear bearing oil scavenge line blocked with coke, which resulted in a failed rear bearing due to an excess of oil lubrication. Contributing to the incident was the operator not completely performing the maintenance items and not utilizing an…
- [NTSB ENG17IA008](https://openairdocs.org/ntsb/ENG17IA008.md): Bombardier CL 600 2B19 · Baltimore, MD · Incident · No injuries · Incident investigation · Final report · Jan 23, 2017 · N8986B · No damage
  > A Bombardier CRJ200 No. 2 engine failure due to the separation of a fan blade airfoil at a low cycle fatigue crack that originated at the forward fan blade pin hole attachment. The separated fan blade had previously undergone a hot form repair and both…
- [NTSB WPR17LA048](https://openairdocs.org/ntsb/WPR17LA048.md): Schosanski John H Cozy MK IV R · Napa, CA · Accident · No injuries · Limited investigation · Final report · Jan 4, 2017 · N4518S · Substantial damage
  > A partial loss of power due to missing apex seals.
- [NTSB ERA17LA077](https://openairdocs.org/ntsb/ERA17LA077.md): Beech 76 · Dunnellon, FL · Accident · No injuries · Limited investigation · Final report · Dec 30, 2016 · N6627U · Substantial damage
  > An inadequate 100-hour maintenance inspection that failed to detect and correct loose nuts on a single-drive dual magneto, which led to the subsequent separation of the magneto from the engine during initial climb and the total loss of engine power.
- [NTSB ERA17LA069](https://openairdocs.org/ntsb/ERA17LA069.md): Beech A36 · Shoreham, NY · Accident · No injuries · Limited investigation · Final report · Dec 11, 2016 · N69286 · Substantial damage
  > A fatigue crack of the crankshaft at the No. 4 main bearing journal.
- [NTSB ANC17LA007](https://openairdocs.org/ntsb/ANC17LA007.md): Piper PA-18 · Bethel, AK · Accident · No injuries · Limited investigation · Final report · Nov 22, 2016 · N83641 · Substantial damage
  > The mechanic's failure to install a whistle slot in the engine breather tube, which resulted in a frozen tube, displacement of the crankshaft oil seal, a loss of oil, and smoke in the cockpit, which led to a forced landing.
- [NTSB ANC17LA006](https://openairdocs.org/ntsb/ANC17LA006.md): Piper PA32R · Bethel, AK · Accident · Minor injuries · Limited investigation · Final report · Nov 12, 2016 · N9084J · Substantial damage
  > A total loss of engine power due to oil starvation, which resulted from an oil cooler leak at a fractured brazed seam.
- [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 CEN17LA015](https://openairdocs.org/ntsb/CEN17LA015.md): Milholland Kelly D · Livingston, TX · Accident · No injuries · Limited investigation · Final report · Oct 7, 2016 · N522LM · Substantial damage
  > A total loss of engine power for reasons that could not be determined based on the available information.
- [NTSB ERA16LA333](https://openairdocs.org/ntsb/ERA16LA333.md): Ryan Navion · Hurt, VA · Accident · No injuries · Limited investigation · Final report · Sep 27, 2016 · N5327K · Substantial damage
  > Incorrect installation of the oil temperature probe and an inadequate annual inspection that failed to detect leaking oil around the loose probe, which resulted in a catastrophic engine failure due to oil starvation.
- [NTSB ENG16WA040](https://openairdocs.org/ntsb/ENG16WA040.md): Airbus A319 · Chiclayo, Peru · Incident · No injuries · Foreign investigation · Sep 21, 2016 · CC-COU · No damage
  > The Comisión de investigación de accidentes de aviación (CIAA) of Peru has notified the NTSB of an incident involving an Airbus A319-132, which occurred on September 21, 2016. The NTSB has appointed a U.S. Accredited Representative to assist the CIAA…
- [NTSB ERA16LA319](https://openairdocs.org/ntsb/ERA16LA319.md): Grumman G164 · Chestertown, MD · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 18, 2016 · N75EP · Substantial damage
  > Loss of engine power due to a failure of the No. 3 cylinder head, which resulted in a forced landing and collision with ground equipment.
- [NTSB ENG16WA036](https://openairdocs.org/ntsb/ENG16WA036.md): Boeing 777 · Tarcoola, Australia, Australia · Incident · No injuries · Foreign investigation · Sep 7, 2016 · A6-EGA · No damage
  > The Australian Transport Safety Bureau (ATSB) has notified the NTSB of an incident involving a Boeing 777-31HER which occurred on September 7, 2016. The NTSB has appointed a U.S. Accredited Representative to assist the ATSB investigation under the provisions…
- [NTSB DCA16FA217](https://openairdocs.org/ntsb/DCA16FA217.md): Boeing 737-700 · Pensacola, FL · Accident · No injuries · Field investigation · Final report · Aug 27, 2016 · N766SW · Substantial damage
  > A low-cycle fatigue crack in the dovetail of fan blade No. 23, which resulted in the fan blade separating in flight and impacting the fan case. This impact caused the fan blade to fracture into fragments that traveled farther than expected into the inlet,…
- [NTSB GAA16CA497](https://openairdocs.org/ntsb/GAA16CA497.md): Cirrus Design SR20 · Brunswick, GA · Accident · No injuries · Data collection · Final report · Aug 22, 2016 · N204AK · Substantial damage
  > The total loss of engine power during takeoff due to a loose B-nut on the fuel flow divider input fuel line fitting, which resulted in a fuel leak and fuel starvation.
- [NTSB ENG16WA032](https://openairdocs.org/ntsb/ENG16WA032.md): Boeing 787 · Over the Pacific, A1 · Incident · No injuries · Foreign investigation · Aug 7, 2016 · VH-VKK · No damage
  > On August 7, 2016, a Jetstar Boeing 787, powered by 2 General Electric (GE) GEnx-1B64/P2 engines experienced a right engine (No. 2) low oil quantity indication while cruising over the Pacific. The engine was shutdown and the airplane was diverted to Guam…
- [NTSB CEN16LA302](https://openairdocs.org/ntsb/CEN16LA302.md): Sonex Waiex · Fond du Lac, WI · Accident · Serious injuries · Limited investigation · Final report · Aug 3, 2016 · N12YX · Substantial damage
  > A partial loss of engine for reasons that could not be determined during an examination of the engine.
- [NTSB CEN16LA309](https://openairdocs.org/ntsb/CEN16LA309.md): Cessna 172K · Neenah, WI · Accident · No injuries · Limited investigation · Final report · Aug 2, 2016 · N46459 · Substantial damage
  > A loss of engine power due to oil starvation, which resulted from the pilot, who was not a certified airframe and powerplant mechanic, removing the vacuum pump from the engine, and his misconception that he could operate the airplane without the pump.
- [NTSB CEN16LA294](https://openairdocs.org/ntsb/CEN16LA294.md): Bell 47G 2 · Oshkosh, WI · Accident · No injuries · Limited investigation · Final report · Jul 30, 2016 · N975BH · Substantial damage
  > The loosening and separation of the throttle linkage nut, which resulted in a loss of throttle control and subsequent hard landing after autorotation.
- [NTSB ERA16LA226](https://openairdocs.org/ntsb/ERA16LA226.md): Rockwell International 112A · Dayton, TN · Accident · Serious injuries · Limited investigation · Final report · Jun 20, 2016 · N1299J · Substantial damage
  > A total loss of engine power due to the failure of the engine-driven fuel pump.
- [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 GAA16CA322](https://openairdocs.org/ntsb/GAA16CA322.md): Marks Steven Challenger · Marion, WI · Accident · Serious injuries · Data collection · Final report · Jun 18, 2016 · N7058U · Substantial damage
  > The failure of the airplane engine drive belt during the takeoff, resulting in a forced landing and impact with terrain.
- [NTSB ERA16LA216](https://openairdocs.org/ntsb/ERA16LA216.md): Robinson Helicopter R44 · Chatham, MA · Accident · Serious injuries · Limited investigation · Final report · Jun 17, 2016 · N141TM · Substantial damage
  > The inadequate maintenance of the lower forward clutch actuator bearing for a prolonged period of time, which resulted in a bearing failure. Contributing to the accident was an erroneous maintenance entry, which resulted in the helicopter being operated…
- [NTSB CEN16LA186](https://openairdocs.org/ntsb/CEN16LA186.md): Piper PA 32R · Alpine, TX · Accident · No injuries · Limited investigation · Final report · May 15, 2016 · N185DX · Substantial damage
  > The engine’s decreased performance due to high-density altitude conditions and a partially obstructed fuel injector nozzle. Contributing to the pilot's decision to perform an off-field landing was the anomalous high exhaust gas temperature reading.
- [NTSB WPR16LA096](https://openairdocs.org/ntsb/WPR16LA096.md): DG Flugzeugbau DG 800B · Clements, CA · Accident · No injuries · Limited investigation · Final report · Apr 25, 2016 · N800YG · Substantial damage
  > The motorglider pilot's decision to perform an in-flight engine start with insufficient altitude, which resulted in an off-airport landing and collision with trees after the engine did not start. Contributing to the accident was the pilot's distraction by the…
- [NTSB ERA16LA156](https://openairdocs.org/ntsb/ERA16LA156.md): Atkinson Eaglet · Deland, FL · Accident · Minor injuries · Limited investigation · Final report · Apr 13, 2016 · N5AQ · Substantial damage
  > A total loss of engine power during initial climb due to a separation of the ignition plug.
- [NTSB CEN16LA151](https://openairdocs.org/ntsb/CEN16LA151.md): Cirrus Design SR20 · Caldwell, TX · Accident · No injuries · Limited investigation · Final report · Apr 10, 2016 · N8PY · Substantial damage
  > The failure of the No. 5 cylinder's exhaust pipe for undetermined reasons, which resulted in a partial loss of engine power. Contributing to the accident was the pilot’s fast and long landing, which led to a runway overrun.
- [NTSB CEN16WA159](https://openairdocs.org/ntsb/CEN16WA159.md): Cessna 550 · Geneva, Switzerland · Incident · No injuries · Foreign investigation · Apr 9, 2016 · EC-LQF · No damage
  > The Swiss Accident Investigation Board (SAIB) of Switzerland has notified the National Transportation Safety Board (NTSB) of an incident involving a Cessna Aircraft Company S550 Citation S/2, EC-LQF, that occurred on April 9, 2016. The NTSB has appointed a…
- [NTSB ENG16WA013](https://openairdocs.org/ntsb/ENG16WA013.md): Airbus A320 · Rome, Italy · Incident · No injuries · Foreign investigation · Mar 27, 2016 · F-HBSA · No damage
  > The Italian Agenzia Nazionale per la Sicurezza del Volo (ANSV) has notified the NTSB of an incident involving an Airbus 320-216, which occurred on March 27, 2016. The NTSB has appointed a U.S. Accredited Representative to assist the ANSV investigation under…
- [NTSB ENG16WA014](https://openairdocs.org/ntsb/ENG16WA014.md): Fairchild SA-227-AT · Brisbane, Australia · Incident · No injuries · Foreign investigation · Mar 22, 2016 · VH-UZI
  > During a post-flight inspection of a Fairchild SA227-AT, Registration Number VH-UZI, powered by two TPE331-11U-611G Honeywell Turbine engines, evidence of a fuel leak was detected on the left-hand engine. Further investigation revealed a fire on the left-hand…
- [NTSB ENG16RA011](https://openairdocs.org/ntsb/ENG16RA011.md): Airbus A320 · Mexico City, Mexico · Incident · No injuries · Foreign investigation · Mar 13, 2016 · XA-VLD · No damage
  > The Dirección General de Aviación Civil of Mexico has notified the NTSB of an accident involving a AIRBUS A320-233 that occurred on March 13, 2016. The NTSB has designated a U.S. Accredited Representative to assist the DGAC investigation under the provisions…
- [NTSB ERA16FA127](https://openairdocs.org/ntsb/ERA16FA127.md): Sheahen Dane E RV-8 · Clermont, FL · Accident · 2 fatal · Field investigation · Final report · Mar 12, 2016 · N838RV · Substantial damage
  > The pilot's exceedance of the airplane's critical angle of attack while maneuvering for a forced landing; which resulted in an aerodynamic stall and loss of control. Contributing to the accident was the fatigue failure of the crankshaft for reasons that could…
- [NTSB ENG16WA009](https://openairdocs.org/ntsb/ENG16WA009.md): Zurich, Switzerland · Incident · No injuries · Foreign investigation · Mar 10, 2016
  > On March 10, 2016, about 1611 UTC, a Swiss Global Air Lines AVRO 146-RJ100 airplane, Swiss registration HB-IYT, rejected its takeoff at Zurich, Switzerland at 45 knots because of sparks coming from the No. 2 engine. The investigation of this incident is under…
- [NTSB ERA16LA094](https://openairdocs.org/ntsb/ERA16LA094.md): Robinson Helicopter R22 · Lindenhurst, NY · Accident · No injuries · Class 3 · Limited · Final report · Jan 27, 2016 · N404LE · Substantial damage
  > A rough running engine as a result of an intermittent failure of the left magneto for reasons that could not be determined, which resulted in a subsequent autorotation, impact with a sign, and rollover.

Next page: https://openairdocs.org/ntsb-events/340/cases.md?page=9

## 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 e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '340')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/340/cases?page=8

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