# NTSB investigations, 2020: 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 ENG21LA011](https://openairdocs.org/ntsb/ENG21LA011.md): Cessna 501 · Opa Locka, FL · Incident · No injuries · Class 3 · Limited · Final report · Dec 31, 2020 · N75TL · Minor damage
  > An uncontained left engine failure caused by a low cycle fatigue crack that originated from a manufacturing machining groove on the high pressure compressor impeller aft face. Contributing to the incident was service bulletin borescope inspection criteria…
- [NTSB ENG21WA010](https://openairdocs.org/ntsb/ENG21WA010.md): Airbus A330 · Keflavik, Iceland · Incident · Class 5 · Foreign · Dec 28, 2020 · N810NW · No damage
- [NTSB ENG21WA009](https://openairdocs.org/ntsb/ENG21WA009.md): Boeing 737 · Johannesburg, South Africa · Incident · Class 5 · Foreign · Dec 25, 2020 · ZS-SJR · No damage
- [NTSB CEN21LA088](https://openairdocs.org/ntsb/CEN21LA088.md): Rans S12XL · Port Isabel, TX · Accident · 2 fatal · Class 3 · Limited · Final report · Dec 16, 2020 · N449JP · Substantial damage
  > An exceedance of the airplane’s critical angle of attack and aerodynamic stall following a loss of engine power during an unknown phase of flight, which resulted in an impact with terrain.
- [NTSB WPR21LA068](https://openairdocs.org/ntsb/WPR21LA068.md): Cirrus Design SR22 · Ogden, UT · Accident · Serious injuries · Class 3 · Limited · Final report · Dec 10, 2020 · N577CP · Substantial damage
  > The partial loss of engine power for reasons that cannot be determined due to lack of available evidence.
- [NTSB ENG21WA008](https://openairdocs.org/ntsb/ENG21WA008.md): Boeing 737 · Katowice, Poland · Incident · No injuries · Class 5 · Foreign · Dec 5, 2020 · LZ-CGU · Minor damage
- [NTSB ENG21WA007](https://openairdocs.org/ntsb/ENG21WA007.md): Boeing 777 · Naha, Japan · Incident · Class 4 · Foreign · Dec 4, 2020 · JA8978 · Minor damage
- [NTSB WPR21FA048](https://openairdocs.org/ntsb/WPR21FA048.md): Cessna 182 · Los Angeles, CA · Accident · 1 fatal · Class 3 · Field · Final report · Nov 12, 2020 · N939CP · Destroyed
  > Maintenance personnel’s failure to properly secure the throttle control hardware during recent maintenance, which resulted in its disconnection and a subsequent loss of engine power on approach for landing.
- [NTSB CEN21WA093](https://openairdocs.org/ntsb/CEN21WA093.md): Cessna 401B · Toussus-le-Noble, France · Accident · No injuries · Class 4 · Foreign · Oct 30, 2020 · N517HC · Substantial damage
- [NTSB ENG21WA050](https://openairdocs.org/ntsb/ENG21WA050.md): Sikorsky S92 · Sola, Norway · Incident · No injuries · Class 5 · Foreign · Oct 20, 2020 · LN-OMI · No damage
- [NTSB ERA21LA024](https://openairdocs.org/ntsb/ERA21LA024.md): Robinson R22 · Winder, GA · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 18, 2020 · N566BC · Substantial damage
  > Maintenance personnel’s failure to properly secure the engine cooling fan attachment bolts, leading to vibration of the cooling fan, the overextension of the tension belt actuator, the failure of the drive system vee-belts, and the loss of power to the rotor…
- [NTSB ERA21LA006](https://openairdocs.org/ntsb/ERA21LA006.md): Piper PA28 · Fulton, NY · Accident · Minor injuries · Class 4 · Limited · Final report · Oct 4, 2020 · N6179U · Substantial damage
  > The mechanic’s improper maintenance, which resulted in the crankshaft expansion plug dislodging in flight and a subsequent forced landing.
- [NTSB ERA20LA309](https://openairdocs.org/ntsb/ERA20LA309.md): Piper PA28 · McMinnville, TN · Accident · 3 fatal · Class 3 · Limited · Final report · Sep 8, 2020 · N4166Z · Substantial damage
  > A total loss of engine power due to a fatigue failure in a cylinder, and the pilot’s subsequent failure to maintain airspeed and her exceedance of the airplane’s critical angle-of-attack while maneuvering at low altitude.
- [NTSB CEN20LA377](https://openairdocs.org/ntsb/CEN20LA377.md): Stinson 108-3 · Coleman, MI · Accident · No injuries · Class 3 · Limited · Final report · Sep 1, 2020 · N909C · Substantial damage
  > The pilot’s improper installation of the generator drive gear, which resulted in a total loss of engine power.
- [NTSB WPR20WA281](https://openairdocs.org/ntsb/WPR20WA281.md): Robinson R22 · McArthur River Mine, Australia · Accident · No injuries · Foreign investigation · Aug 16, 2020 · VH-YMU · Substantial damage
- [NTSB GAA20WA125](https://openairdocs.org/ntsb/GAA20WA125.md): Cessna R172 · Tarapaca-Amazonas, Colombia · Accident · 1 fatal · Foreign investigation · Jul 30, 2020 · HK2129 · Destroyed
- [NTSB CEN20LA279](https://openairdocs.org/ntsb/CEN20LA279.md): Air Tractor AT502 · Dalhart, TX · Accident · No injuries · Class 3 · Limited · Final report · Jul 10, 2020 · N61315 · Substantial damage
  > The total loss of engine power due to a failed fuel control unit bearing.
- [NTSB CEN20LA260](https://openairdocs.org/ntsb/CEN20LA260.md): Champion 7EC · Port O'Conner, TX · Accident · No injuries · Class 3 · Limited · Final report · Jul 3, 2020 · N9891B · Substantial damage
  > The loss of engine power due to a stuck intake valve.
- [NTSB CEN20LA286](https://openairdocs.org/ntsb/CEN20LA286.md): Robinson R44 · Welsh, LA · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 2, 2020 · N7511D · Substantial damage
  > A partial loss of engine power while in flight due to corrosion of engine components, which resulted in a loss of control and a subsequent impact with terrain.
- [NTSB CEN20LA256](https://openairdocs.org/ntsb/CEN20LA256.md): Cessna 320 · Round Rock, TX · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 1, 2020 · N19AS · Destroyed
  > Improper maintenance that led to a loss of engine power due to a failed left engine magneto, the pilot’s improper application of single engine emergency procedures, and his failure to maintain control of the airplane which resulted in a collision with trees.
- [NTSB WPR20LA193](https://openairdocs.org/ntsb/WPR20LA193.md): Thatcher CX4 · Upland, CA · Accident · Serious injuries · Class 3 · Limited · Final report · Jun 24, 2020 · N274DR · Substantial damage
  > The inflight separation of the propeller assembly due to a fatigue fracture of the crankshaft. Contributing to the accident was the pilot’s restricted visibility during landing, which resulted in an excessive approach speed, a long landing, and subsequent…
- [NTSB WPR20LA144](https://openairdocs.org/ntsb/WPR20LA144.md): Mooney M20J · Phoenix, AZ · Accident · No injuries · Class 3 · Limited · Final report · May 13, 2020 · N201HH · Substantial damage
  > A total loss of engine power due to oil starvation for reasons that could not be determined due to a lack of available evidence, which resulted in impact with terrain during a subsequent forced landing.
- [NTSB ENG20WA029](https://openairdocs.org/ntsb/ENG20WA029.md): Airbus A300 · Brussles, Belgium · Incident · No injuries · Foreign investigation · Mar 27, 2020 · D-AZMK · Minor damage
  > On March 27, 2020, the Danish Aviation Accident Investigation Board (AAIB) informed the NTSB of an Airbus A300-622RF cargo airplane, powered by two Pratt & Whitney PW4158 turbofan engines, that experienced a right (No. 2) engine failure during approach to…
- [NTSB DCA20WA096](https://openairdocs.org/ntsb/DCA20WA096.md): Embraer ERJ170-200LR · Apodaca, Mexico · Incident · No injuries · Foreign investigation · Mar 5, 2020 · N250NN · No damage
- [NTSB CEN20LA107](https://openairdocs.org/ntsb/CEN20LA107.md): Zenith CH601 · Cabool, MO · Accident · No injuries · Class 3 · Limited · Final report · Feb 29, 2020 · N601ND · Substantial damage
  > The loss of engine power due to failure of the No. 1 cylinder piston for reasons that could not be determined based on available evidence.
- [NTSB ENG20WA018](https://openairdocs.org/ntsb/ENG20WA018.md): Airbus A321 · London, United Kingdom · Incident · No injuries · Foreign investigation · Feb 26, 2020 · G-POWN · No damage
  > On February 26, 2020, an Airbus A321-211, powered by two CFM International CFM56-5B3/3 turbofan engines experienced a left (No. 1) engine surge on departure from London Gatwick Airport (LGW) and an ECAM alert for the right engine (No. 2) stall condition. The…
- [NTSB CEN20LA109](https://openairdocs.org/ntsb/CEN20LA109.md): Air Tractor AT 602 · Dumas, AR · Accident · No injuries · Class 3 · Limited · Final report · Feb 25, 2020 · N5197Y · Substantial damage
  > The pilot’s failure to maintain clearance from a power line pole during a low-level aerial application flight, which resulted in impact with the bracket and a subsequent forced landing.
- [NTSB ENG20LA015](https://openairdocs.org/ntsb/ENG20LA015.md): Airbus A220 · Bordeaux, France · Incident · No injuries · Class 4 · Limited · Final report · Feb 12, 2020 · YL-AAU · No damage
  > A No. 1 (left) engine low pressure compressor (LPC) stage 1 integrally bladed rotor (IBR) separation due to a high cycle fatigue crack (HCF) that originated at the runout of an airfoil leading edge root radius. The HCF crack developed because of a…
- [NTSB ENG20WA017](https://openairdocs.org/ntsb/ENG20WA017.md): Airbus A320 · Mexico City, Mexico · Incident · No injuries · Foreign investigation · Jan 24, 2020 · N528VL · No damage
  > On January 24, 2020, an Airbus A320-271N neo, powered by two Pratt & Whitney PW1127G-JM geared turbofan engines, experienced a right (No. 2) engine failure while climbing through 11,500 feet after takeoff from the Mexico City Intentional Airport (MMMX). The…
- [NTSB ENG20WA012](https://openairdocs.org/ntsb/ENG20WA012.md): Airbus A320 · New Delhi, India · Incident · No injuries · Foreign investigation · Jan 7, 2020 · VT-WGC · No damage
  > The government of India has notified the NTSB of an incident involving an Airbus A320 airplane that occurred on January 7, 2020. A GoAir Airbus A320-271N Neo powered by two Pratt & Whitney PW1127G-JM geared turbofan engines experienced an engine failure…

## 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 year(c."eventDate") = 2020
  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?year=2020

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