# 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 2 of 17 · 821 cases

## Cases, newest first

- [NTSB ENG25WA049](https://openairdocs.org/ntsb/ENG25WA049.md): Embraer EMB145 · Sokoto, Nigeria · Incident · Class 3 · Foreign · Jun 29, 2025 · 5N-BZY · No damage
- [NTSB ENG25WA044](https://openairdocs.org/ntsb/ENG25WA044.md): Boeing 737 · Kinshasa, Congo - Kinshasa · Incident · Class 5 · Foreign · Jun 27, 2025 · ET-AXI
- [NTSB ENG25WA040](https://openairdocs.org/ntsb/ENG25WA040.md): Boeing 777 · Karachi, Pakistan · Incident · Class 5 · Foreign · Jun 27, 2025 · HZ-AK17 · No damage
- [NTSB ERA25LA235](https://openairdocs.org/ntsb/ERA25LA235.md): Cessna R182 · Milton, FL · Accident · No injuries · Class 3 · Limited · Final report · Jun 23, 2025 · N262AL · Substantial damage
  > Separation of the throttle cable sleeve during takeoff, which resulted an uncommanded engine power reduction and the pilot’s inability to control the engine throttle, and resulted in a forced landing.
- [NTSB ERA25FA230](https://openairdocs.org/ntsb/ERA25FA230.md): Mooney M20F · Beverly, MA · Accident · 2 fatal · Class 3 · Field · Final report · Jun 19, 2025 · N9573M · Substantial damage
  > The pilot’s failure to maintain control of the airplane while maneuvering to return to the airport which resulted in an aerodynamic stall. Contributing to the accident was the improperly installed No. 2 cylinder bottom spark plug by maintenance personnel,…
- [NTSB GAA25WA183](https://openairdocs.org/ntsb/GAA25WA183.md): Robinson R66 · Chalfont St Peter, Buckinghamshire, United Kingdom · Accident · 1 fatal · Class 5 · Foreign · Jun 11, 2025 · G-WBRN · Destroyed
- [NTSB ENG25LA038](https://openairdocs.org/ntsb/ENG25LA038.md): Boeing 777 · Beijing, China · Incident · Class 3 · Limited · Preliminary report · May 26, 2025 · N793UA · Minor damage
  > On May 26, 2025, at approximately 0925 UTC, a Boeing 777-200, registration N793UA, operated as United Airlines flight 889, executed a rejected takeoff at Beijing Capital International Airport when the crew heard a loud bang and followed by a No. 2 (right)…
- [NTSB ERA25LA214](https://openairdocs.org/ntsb/ERA25LA214.md): Jernigan Zenith 750 · Greenville, SC · Accident · No injuries · Class 3 · Limited · Preliminary report · May 18, 2025 · N864AJ · Substantial damage
  > On May 18, 2025, about 1416 eastern daylight time, an experimental, amateur-built Zenith 750, N864AJ, was substantially damaged when it was involved in an accident near Greenville, South Carolina. The private pilot was not injured. The airplane was operated…
- [NTSB ERA25LA198](https://openairdocs.org/ntsb/ERA25LA198.md): Diamond Aircraft Ind DA 40 NG · Sanford, NC · Accident · Serious injuries · Class 3 · Limited · Final report · May 7, 2025 · N499BW · Substantial damage
  > The mechanic’s re-use of worm drive clamps, which resulted in a separation of the turbocharger air discharge duct and a partial loss of engine power during initial climb.
- [NTSB DCA25WA203](https://openairdocs.org/ntsb/DCA25WA203.md): Airbus A321 · Havana, Cuba · Incident · Class 5 · Foreign · May 6, 2025 · XA-VXR
- [NTSB ENG25WA030](https://openairdocs.org/ntsb/ENG25WA030.md): Boeing 737 · Budapest, Hungary · Incident · No injuries · Class 5 · Foreign · Apr 22, 2025 · SP-RZU
- [NTSB ERA25LA159](https://openairdocs.org/ntsb/ERA25LA159.md): Silvaire Luscombe 8A · New Port Richey, FL · Accident · No injuries · Class 3 · Limited · Final report · Mar 27, 2025 · N28790 · Substantial damage
  > Maintenance personnel’s inadequate inspection of the exhaust system, which allowed exhaust gases to enter the induction system from cracks in the exhaust manifold, resulting in a total loss of engine power and a subsequent forced landing.
- [NTSB CEN25LA165](https://openairdocs.org/ntsb/CEN25LA165.md): Cessna T206 · Natchez, MS · Accident · No injuries · Class 3 · Limited · Final report · Mar 27, 2025 · N27DV · Substantial damage
  > Maintenance personnel’s improper maintenance, which resulted in a loss of engine power due to fuel starvation as the result of a loose fuel line B-nut. Contributing to the accident was an inadequate 100-hour inspection performed after the recent maintenance.
- [NTSB ERA25LA155](https://openairdocs.org/ntsb/ERA25LA155.md): Cirrus Design SF50 · Kissimmee, FL · Accident · No injuries · Class 3 · Limited · Preliminary report · Mar 24, 2025 · N56GY · Substantial damage
  > On March 24, 2025 about 0804 eastern daylight time, a Cirrus Design Corporation SF50, N56GY, was substantially damaged when it was involved in an accident at Kissimmee Gateway Airport (ISM), Orlando, Florida. The commercial pilot was not injured. The airplane…
- [NTSB DCA25WA164](https://openairdocs.org/ntsb/DCA25WA164.md): Boeing 767 · Managua, Nicaragua · Incident · No injuries · Class 5 · Foreign · Mar 23, 2025 · N373CM
- [NTSB ANC25LA025](https://openairdocs.org/ntsb/ANC25LA025.md): Cessna 172A · Fairbanks, AK · Accident · Minor injuries · Class 3 · Limited · Final report · Mar 16, 2025 · N7274T · Substantial damage
  > The pilot’s decision to initiate the flight despite identifying a malfunction in the carburetor heat system during the pre-takeoff engine run-up, which led to a partial loss of engine power during climb out. Contributing to the accident was maintenance…
- [NTSB ENG25WA034](https://openairdocs.org/ntsb/ENG25WA034.md): Airbus A321 · Ciudad de México, Mexico · Occurrence · Class 5 · Foreign · Mar 13, 2025 · XA-VXP · No damage
- [NTSB DCA25LA139](https://openairdocs.org/ntsb/DCA25LA139.md): Boeing 717 · Atlanta, GA · Incident · Minor injuries · Class 3 · Limited · Preliminary report · Feb 24, 2025 · N942AT · Minor damage
  > On February 24, 2025, at 0848 eastern standard time, Delta Air Lines flight 876, a Boeing 717-200, N942AT, experienced smoke in the cabin and cockpit during takeoff from Atlanta Hartsfield/Jackson International Airport (ATL), Atlanta Georgia. The airplane…
- [NTSB ERA25LA123](https://openairdocs.org/ntsb/ERA25LA123.md): Cessna 172C · Argyle, NY · Accident · No injuries · Class 4 · Limited · Final report · Feb 20, 2025 · N1609Y · Substantial damage
  > The mechanic’s incorrect installation of the oil temperature gauge probe in the oil filter adapter and failure to test run the engine for oil leaks after the installation, which resulted in a total loss of oil and the pilot’s decision to perform a…
- [NTSB GAA25WA096](https://openairdocs.org/ntsb/GAA25WA096.md): Cessna 188 · Aerocity airstrip, Ecuador · Accident · No injuries · Class 5 · Foreign · Feb 19, 2025 · HC-CAZ · Minor damage
- [NTSB CEN25LA093](https://openairdocs.org/ntsb/CEN25LA093.md): Robinson Helicopter R22 Beta · Spearman, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Feb 7, 2025 · N7191B · Substantial damage
  > Improperly torqued intake manifold bolts that allowed unmetered air to enter the engine, resulting in an overly lean fuel-air mixture, eventual failure of the No. 3 cylinder intake valve, and a total loss of engine power.
- [NTSB ENG25WA024](https://openairdocs.org/ntsb/ENG25WA024.md): Airbus A380 · Dubai, United Arab Emirates · Incident · No injuries · Class 5 · Foreign · Feb 6, 2025 · A6-E0L · Minor damage
- [NTSB DCA25LA114](https://openairdocs.org/ntsb/DCA25LA114.md): Airbus Industrie A319 · Houston, TX · Occurrence · No injuries · Class 3 · Limited · Final report · Feb 2, 2025 · N837UA · No damage
  > The failure of the cabin crew to activate the evacuation alarm and to maintain coordinated communication with the flight crew following the cabin crew’s decision to command an evacuation, which resulted in an engine running during the initial evacuation.…
- [NTSB ENG25WA018](https://openairdocs.org/ntsb/ENG25WA018.md): Boeing 737 · Cochabamba, Bolivia · Incident · No injuries · Class 3 · Foreign · Jan 27, 2025 · CP-2923 · Minor damage
- [NTSB ENG25WA019](https://openairdocs.org/ntsb/ENG25WA019.md): Airbus A321-271N · Hermosillo, Mexico · Incident · No injuries · Class 5 · Foreign · Jan 22, 2025 · N543VL · No damage
- [NTSB ENG25WA017](https://openairdocs.org/ntsb/ENG25WA017.md): Boeing 787 · Santiago, Chile · Incident · Class 5 · Foreign · Jan 21, 2025 · PH-BHO · Minor damage
- [NTSB ENG25WA015](https://openairdocs.org/ntsb/ENG25WA015.md): Bombardier BD100 1A10 · Nassau, Bahamas · Incident · Class 5 · Foreign · Jan 20, 2025 · CS-CHJ · No damage
- [NTSB CEN25LA077](https://openairdocs.org/ntsb/CEN25LA077.md): Piper PA-28-181 · Addison, TX · Accident · No injuries · Class 3 · Limited · Final report · Jan 15, 2025 · N504AF · Substantial damage
  > A partial loss of engine power during takeoff due to the partial blockage of the fuel diaphragm metering stem and the No. 1 cylinder fuel injector nozzle. Contributing to the accident was maintenance that allowed the introduction of debris that resulted in…
- [NTSB WPR25LA070](https://openairdocs.org/ntsb/WPR25LA070.md): Vans RV-7A · Gila Bend, AZ · Accident · Minor injuries · Class 3 · Limited · Final report · Dec 22, 2024 · N1FB · Substantial damage
  > A disconnection of the mixture control linkage during flight, which resulted in fuel starvation and a total loss of engine power. Contributing was the inadequate inspection of the mixture control arm attachment hardware.
- [NTSB ENG25WA023](https://openairdocs.org/ntsb/ENG25WA023.md): Boeing 747 · Karachi, Pakistan · Incident · Class 5 · Foreign · Dec 13, 2024 · EX-47004 · No damage
- [NTSB CEN25FA056](https://openairdocs.org/ntsb/CEN25FA056.md): Zenith Zodiac CH601 · Columbia, IL · Accident · Serious injuries · Class 3 · Field · Final report · Dec 8, 2024 · N9853M · Destroyed
  > The pilot’s failure to secure the engine oil filter following maintenance, which resulted in oil starvation, a total loss of engine power, and impact with terrain.
- [NTSB ENG25WA014](https://openairdocs.org/ntsb/ENG25WA014.md): Hawker Hawker 900 · Abuja, Nigeria · Incident · Class 5 · Foreign · Dec 6, 2024 · 5N-KAL · Minor damage
- [NTSB ENG25WA011](https://openairdocs.org/ntsb/ENG25WA011.md): Airbus A330 · Los Angeles, CA · Incident · Class 5 · Foreign · Dec 4, 2024 · VH-EBQ · No damage
- [NTSB CEN25LA053](https://openairdocs.org/ntsb/CEN25LA053.md): Piper PA-28R-200 · Boscobel, WI · Accident · No injuries · Class 3 · Limited · Final report · Dec 2, 2024 · N41997 · Substantial damage
  > The ice obstruction of the engine oil breather tube and alternate air outlet, which resulted in a failure of the crankcase oil seal and loss of engine oil. Contributing to the accident was the incorrect engine oil breather tube installed in the airplane by…
- [NTSB DCA25WA051](https://openairdocs.org/ntsb/DCA25WA051.md): Airbus 320 · Pereira, Colombia · Incident · No injuries · Class 5 · Foreign · Nov 27, 2024 · HK5407 · Minor damage
- [NTSB ENG25WA005](https://openairdocs.org/ntsb/ENG25WA005.md): Boeing 737 · Sydney, Australia, Australia · Incident · Class 5 · Foreign · Nov 8, 2024 · VH-VYH · Minor damage
- [NTSB ENG25WA003](https://openairdocs.org/ntsb/ENG25WA003.md): Airbus A320 · Barcelona, Spain · Incident · No injuries · Class 5 · Foreign · Nov 8, 2024 · EC-MBS · No damage
- [NTSB GAA25WA026](https://openairdocs.org/ntsb/GAA25WA026.md): Piper PA31 · Puebla, Mexico · Accident · Minor injuries · Class 5 · Foreign · Nov 7, 2024 · XB-FVF · Substantial damage
- [NTSB ENG25WA022](https://openairdocs.org/ntsb/ENG25WA022.md): Boeing 737 · Karachi, Pakistan · Incident · Class 5 · Foreign · Oct 25, 2024 · AP-BNA · Minor damage
- [NTSB CEN25LA018](https://openairdocs.org/ntsb/CEN25LA018.md): Piper PA-32R-301 · Van, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 17, 2024 · N81481 · Substantial damage
  > The mechanic’s improper maintenance of the engine’s air induction scat duct, which collapsed during the flight and resulted in a loss of engine power.
- [NTSB CEN25FA006](https://openairdocs.org/ntsb/CEN25FA006.md): Beech C99 · Norfolk, NE · Accident · 1 fatal · Class 3 · Field · Final report · Oct 8, 2024 · N130GP · Destroyed
  > The pilot’s failure to maintain adequate airspeed following a partial loss of engine power during takeoff, which resulted in a loss of airplane control. Contributing to the accident was the fatigue failure of the compressor turbine fan disk blade.
- [NTSB DCA24WA326](https://openairdocs.org/ntsb/DCA24WA326.md): Airbus A330 · Algiers, Algeria · Incident · No injuries · Class 5 · Foreign · Sep 22, 2024 · 9H-HFH
- [NTSB ENG24WA034](https://openairdocs.org/ntsb/ENG24WA034.md): Airbus A321 · Atyrau, Kazakhstan · Incident · Class 5 · Foreign · Sep 16, 2024 · EI-KGH · No damage
- [NTSB ERA24LA380](https://openairdocs.org/ntsb/ERA24LA380.md): Piper PA32 · Baltimore, MD · Accident · No injuries · Class 3 · Limited · Final report · Sep 14, 2024 · N6FT · Substantial damage
  > The undetected worn internal parts of the on-condition carburetor, which restricted movement of the float, resulting in fuel starvation. Contributing to the severity of the accident was the pilot’s delayed reduction of the throttle when performing a forced…
- [NTSB CEN24LA354](https://openairdocs.org/ntsb/CEN24LA354.md): Cessna 170A · Marshall, IN · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 11, 2024 · N1249D · Substantial damage
  > The fatigue fracture of the No. 6 piston connecting rod, which resulted in a loss of engine power.
- [NTSB CEN24LA350](https://openairdocs.org/ntsb/CEN24LA350.md): Cessna 172 · Englewood, CO · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 11, 2024 · N20747 · Substantial damage
  > A partial loss of engine power due to fuel-oil contamination of the fuel injection servo.
- [NTSB ENG24WA033](https://openairdocs.org/ntsb/ENG24WA033.md): Airbus A321 · La Paz, Mexico · Incident · Class 5 · Foreign · Sep 8, 2024 · XA-VUB · No damage
- [NTSB ENG24WA032](https://openairdocs.org/ntsb/ENG24WA032.md): Airbus A350 · Hong Kong, Hong Kong SAR China · Incident · Class 5 · Foreign · Sep 2, 2024 · B-LXI · Minor damage
- [NTSB CEN24LA333](https://openairdocs.org/ntsb/CEN24LA333.md): Zenith Zodiac CH601 XL · Odessa, MO · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 2, 2024 · N624RJ · Substantial damage
  > Overheating of the engine coolant for reasons that could not be determined, which resulted in a precautionary off-airport landing, during which the airplane sustained substantial damage.
- [NTSB WPR24LA267](https://openairdocs.org/ntsb/WPR24LA267.md): Piper PA-28R-201T · Sacramento, CA · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 4, 2024 · N135DG · Substantial damage
  > A loss of engine power during the initial climb due to the detachment of the turbocharger’s inlet sleeve as a result of the installation of an incorrect sleeve clamp.

Next page: https://openairdocs.org/ntsb-events/340/sequence.md?page=3

## 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 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?page=2

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