# NTSB investigations: Part(s) separation from AC

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 6 · 288 cases

## Cases, newest first

- [NTSB DCA24WA059](https://openairdocs.org/ntsb/DCA24WA059.md): Boeing 737 · Brazzaville, Congo - Kinshasa · Incident · Class 5 · Foreign · Dec 17, 2023 · TN-AKC
- [NTSB WPR24LA051](https://openairdocs.org/ntsb/WPR24LA051.md): Piper PA-28-180 · Mesa, AZ · Accident · No injuries · Class 4 · Limited · Final report · Dec 5, 2023 · N9166J · Substantial damage
  > A failure of the engine cowling right side latch pin and fasteners, which resulted in the partial separation of the engine cowling during flight.
- [NTSB CEN24LA038](https://openairdocs.org/ntsb/CEN24LA038.md): Bede BD-4 · Lowell, IN · Accident · Minor injuries · Class 3 · Limited · Final report · Nov 14, 2023 · N931AS · Substantial damage
  > Fatigue cracking of the propeller blade root, which resulted in the in-flight separation of the propeller blade from its root. Contributing to the accident was the improper machining of the blade root threads, which resulted in chatter/ratchet marks that…
- [NTSB ENG24WA005](https://openairdocs.org/ntsb/ENG24WA005.md): Sikorsky S76 · Sidney, Canada · Accident · No injuries · Class 5 · Foreign · Oct 24, 2023 · C-GXHJ · Substantial damage
- [NTSB WPR23FA351](https://openairdocs.org/ntsb/WPR23FA351.md): Golden Circle T Bird · Arlington, WA · Accident · 1 fatal · Class 3 · Field · Final report · Sep 22, 2023 · UNREG · Substantial damage
  > A failure of the forward left wing spar due to an improper repair, which resulted in an inflight separation of the left wing. Contributing to the accident was improper maintenance by splicing the wing spar.
- [NTSB DCA23WA479](https://openairdocs.org/ntsb/DCA23WA479.md): Boeing 777 · Ciaro, Egypt · Incident · Class 5 · Foreign · Jul 21, 2023 · not reported · Minor damage
- [NTSB CEN23LA296](https://openairdocs.org/ntsb/CEN23LA296.md): Magni M24 · Mineral Point, MO · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 11, 2023 · N123PS · Substantial damage
  > The inflight loss of the engine’s air filter which collided with the propeller which resulted in a vibration.
- [NTSB DCA23WA301](https://openairdocs.org/ntsb/DCA23WA301.md): Boeing 737 · Jeddah, Saudi Arabia · Incident · No injuries · Class 5 · Foreign · May 27, 2023 · SU-GEM
- [NTSB ERA23LA248](https://openairdocs.org/ntsb/ERA23LA248.md): Raytheon B300 · Melbourne, FL · Accident · No injuries · Class 4 · Limited · Final report · May 26, 2023 · N680CB · Substantial damage
  > An inflight separation of the airplane’s airstair door for undetermined reasons.
- [NTSB CEN23LA218](https://openairdocs.org/ntsb/CEN23LA218.md): Piper J3C · Romeoville, IL · Incident · No injuries · Class 3 · Limited · Final report · Apr 27, 2023 · N6384H · Minor damage
  > The inflight failure of the propeller blade due to fatigue cracking from corrosion pits, initiating at the midpoint of the cambered face.
- [NTSB GAA23WA139](https://openairdocs.org/ntsb/GAA23WA139.md): Cessna 206 · Santa Ana del Yucuma, Bolivia · Accident · 5 fatal · Class 5 · Foreign · Apr 26, 2023 · CP-2625 · Destroyed
- [NTSB WPR23LA149](https://openairdocs.org/ntsb/WPR23LA149.md): Stevens Kelly C RV-7 · Morgan, UT · Accident · No injuries · Class 3 · Limited · Final report · Apr 9, 2023 · N17NK · Substantial damage
  > The pilot/builder improperly torqued the propeller attachment bolts while reinstalling the propeller, which resulted in the fatigue failure of the bolts and the separation of the propeller assembly.
- [NTSB ERA23FA174](https://openairdocs.org/ntsb/ERA23FA174.md): Cessna 525B · Gulf of Mexico (Gulf of Mexico) · Accident · No injuries · Class 3 · Field · Final report · Mar 30, 2023 · N869AC · Substantial damage
  > The separation of the left wing extension and winglet for reasons that could not be determined based on the available evidence.
- [NTSB WPR23LA112](https://openairdocs.org/ntsb/WPR23LA112.md): Star Lite SL1 · Corning, CA · Accident · 1 fatal · Class 3 · Limited · Final report · Feb 16, 2023 · UNREG · Destroyed
  > The student pilot’s loss of airplane control during an intentional aerobatic maneuver, which resulted in an inflight separation of the left wing and subsequent impact with the terrain.
- [NTSB GAA23WA034](https://openairdocs.org/ntsb/GAA23WA034.md): Cirrus Design SR22 · Ronselarestraat, Belgium · Accident · No injuries · Class 5 · Foreign · Nov 16, 2022 · N821CC · Substantial damage
- [NTSB DCA23WA037](https://openairdocs.org/ntsb/DCA23WA037.md): Boeing 777-223 · Buenos Aires, Argentina · Incident · No injuries · Class 5 · Foreign · Oct 28, 2022 · N765AN · Minor damage
- [NTSB ERA23LA013](https://openairdocs.org/ntsb/ERA23LA013.md): Schempp-Hirth Discus CS · Woodstock, VA · Accident · No injuries · Class 3 · Limited · Final report · Oct 8, 2022 · N520RJ · Substantial damage
  > Improper repair of a crack by maintenance personnel, which resulted in a subsequent failure of the glider canopy.
- [NTSB CEN22LA258](https://openairdocs.org/ntsb/CEN22LA258.md): Eurocopter Deutschland EC 135 P2+ · Waukesha, WI · Accident · No injuries · Class 3 · Limited · Final report · Jun 18, 2022 · N226SA · Substantial damage
  > The separation and subsequent ingestion of the fenestron fairing cover into the fenestron blades for undetermined reasons.
- [NTSB ANC22FA041](https://openairdocs.org/ntsb/ANC22FA041.md): Bell 407 · Kalea, HI · Accident · Serious injuries · Class 3 · Field · Final report · Jun 9, 2022 · N402SH · Substantial damage
  > The in-flight separation of the tail boom as a result of abnormal loading and fracture of the upper-left tail boom attachment bolt due to a gap between the upper-left longeron and aft fuselage bulkhead.
- [NTSB CEN22LA250](https://openairdocs.org/ntsb/CEN22LA250.md): Beech 58 · Evansville, IN · Incident · No injuries · Class 3 · Limited · Final report · Jun 8, 2022 · N78KL · Minor damage
  > The failure of the propeller blade due to high-cycle fatigue that originated from damage that occurred at an unknown time. Contributing to the accident was the failure to identify the damage before the accident flight.
- [NTSB ERA22LA231](https://openairdocs.org/ntsb/ERA22LA231.md): Eurocopter AS355 · Palm Beach, FL · Accident · No injuries · Class 4 · Limited · Final report · May 19, 2022 · N448JM · Substantial damage
  > The pilot’s inadequate preflight inspection, which resulted in the unlatched engine cowling opening and being struck by a main rotor blade during flight. Contributing to the accident was the mechanic’s failure to properly secure the cowling following…
- [NTSB GAA22WA173](https://openairdocs.org/ntsb/GAA22WA173.md): Rockwell 690 · Charallave, Venezuela · Accident · 1 fatal · Class 3 · Foreign · Apr 30, 2022 · YV3502 · Substantial damage
- [NTSB GAA22WA188](https://openairdocs.org/ntsb/GAA22WA188.md): Kodiak 100 · West New Britain Province, Papua New Guinea · Accident · No injuries · Class 4 · Foreign · Apr 27, 2022 · P2-NTE · Substantial damage
- [NTSB ERA22LA187](https://openairdocs.org/ntsb/ERA22LA187.md): Lancair IV · Leicester, MA · Accident · No injuries · Class 3 · Limited · Final report · Apr 10, 2022 · N7KJ · Substantial damage
  > A separation of the window from the airframe for undetermined reasons.
- [NTSB DCA22WA114](https://openairdocs.org/ntsb/DCA22WA114.md): Boeing 777-223 · Barcelona, Spain · Incident · Class 5 · Foreign · Mar 20, 2022 · N777AN · Minor damage
- [NTSB GAA22WA110](https://openairdocs.org/ntsb/GAA22WA110.md): Robinson R22 · Bilinga, Australia · Accident · No injuries · Class 5 · Foreign · Feb 25, 2022 · VH-THM · Substantial damage
- [NTSB DCA22FA082](https://openairdocs.org/ntsb/DCA22FA082.md): Joby Aero JAS4-2 · Jolon, CA · Accident · No injuries · Class 3 · Field · Final report · Feb 16, 2022 · N542AJ · Substantial damage
  > The separation of a propeller blade during expansion flight testing that resulted in cascading effects to include the separation of multiple propulsion motor/propeller assemblies and the loss of remote pilot control of the aircraft. Contributing to the…
- [NTSB ERA21LA379](https://openairdocs.org/ntsb/ERA21LA379.md): Hawker Beechcraft 400A · Charleston, SC · Accident · No injuries · Class 3 · Limited · Final report · Sep 14, 2021 · N100FN · Substantial damage
  > The in-flight separation of the left engine’s four-panel cowling for reasons that could not be determined based on the available evidence.
- [NTSB CEN21LA450](https://openairdocs.org/ntsb/CEN21LA450.md): Cessna 140 · Caddo Mills, TX · Accident · No injuries · Class 4 · Limited · Final report · Jul 22, 2021 · N84BC · Substantial damage
  > The missing vertical stabilizer hardware, which resulted in a severe uncommanded yawing motion that necessitated an emergency landing, during which the airplane nosed over and sustained substantial damage to the vertical stabilizer.
- [NTSB ENG21WA034](https://openairdocs.org/ntsb/ENG21WA034.md): Cessna P206 · Kamarang, Guyana · Accident · Class 5 · Foreign · Jul 15, 2021 · 8R-DAC · Substantial damage
- [NTSB DCA21WA206](https://openairdocs.org/ntsb/DCA21WA206.md): Boeing 777 · Mexico City, Mexico · Incident · Class 5 · Foreign · Jul 4, 2021 · F-GSQI · No damage
- [NTSB ERA21LA246](https://openairdocs.org/ntsb/ERA21LA246.md): Honda HA-420 · Kennesaw, GA · Accident · No injuries · Class 3 · Limited · Final report · Jun 4, 2021 · N10XN · Substantial damage
  > The mechanic’s improper installation of the left main wheel assembly.
- [NTSB ERA21LA223](https://openairdocs.org/ntsb/ERA21LA223.md): Zenith Zodiac 601 XL · McKenzie, TN · Accident · No injuries · Class 3 · Limited · Final report · May 15, 2021 · N493TG · Substantial damage
  > The improper installation and inspection of the propeller, which resulted in an in-flight separation of the propeller assembly.
- [NTSB GAA21WA106](https://openairdocs.org/ntsb/GAA21WA106.md): Edge 540 · Tempsford, United Kingdom · Accident · No injuries · Class 4 · Foreign · May 1, 2021 · G-EDGY · Substantial damage
- [NTSB ERA21FA195](https://openairdocs.org/ntsb/ERA21FA195.md): Bell Helicopter Textron Canada 429 · Eden, NC · Accident · 1 fatal · Class 3 · Field · Final report · Apr 28, 2021 · N53DE · Destroyed
  > The impact of the main rotor blades with the tail boom during low-altitude maneuvers, which severed the tail rotor drive shaft and resulted in a loss of control and impact with terrain.
- [NTSB ERA21LA396](https://openairdocs.org/ntsb/ERA21LA396.md): Sonex Waiex · Doylestown, PA · Accident · No injuries · Class 4 · Limited · Final report · Mar 22, 2021 · N220JD · Substantial damage
  > The pilot’s failure to maintain a proper glidepath during landing. Contributing to the accident was his failure to ensure the canopy locks were properly configured prior to flight.
- [NTSB WPR21LA142](https://openairdocs.org/ntsb/WPR21LA142.md): Davis Dan B Lancair Evolution · Phoenix, AZ · Accident · No injuries · Class 3 · Limited · Final report · Mar 18, 2021 · N469KS · Substantial damage
  > A malfunction of the main cabin door latching mechanism for reasons that could not be determined based on the available information.
- [NTSB ERA21LA155](https://openairdocs.org/ntsb/ERA21LA155.md): Socata MS894A · Monroe, GA · Accident · Minor injuries · Class 3 · Limited · Final report · Mar 15, 2021 · N42BF · Substantial damage
  > Maintenance personnel’s failure to properly inspect and maintain the airplane’s engine cowling latches, which resulted in the in-flight separation of the engine cowling and a subsequent forced landing.
- [NTSB WPR21LA108](https://openairdocs.org/ntsb/WPR21LA108.md): Abbett Gerry Lancair Evolution · Saratoga, WY · Accident · No injuries · Class 3 · Limited · Final report · Feb 8, 2021 · N7569A · Substantial damage
  > A windshield failure during cruise flight due to stress concentrations in the bond area as a result of improper assembly of the windshield.
- [NTSB ANC20LA089](https://openairdocs.org/ntsb/ANC20LA089.md): Eurocopter AS 350 · Fort Greely, AK · Accident · No injuries · Class 3 · Limited · Final report · Sep 6, 2020 · N354PA · Substantial damage
  > Failure of the door lock due to interference between the door and a cargo box.
- [NTSB CEN20LA327](https://openairdocs.org/ntsb/CEN20LA327.md): Grumman G164 · Alicia, AR · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 3, 2020 · N8105K · Substantial damage
  > Inadequate maintenance of panel fasteners, which led to a side panel coming loose during takeoff and the pilot having to make a subsequent forced landing to a flooded rice field when the airplane became difficult to control.
- [NTSB CEN20LA294](https://openairdocs.org/ntsb/CEN20LA294.md): Rockwell S2R · Harlan, IA · Accident · No injuries · Class 3 · Limited · Final report · Jul 20, 2020 · N1662S · Substantial damage
  > The fatigue fracture of the upper rudder hinge that resulted in a partial separation of the rudder from the airplane during a spray pass.
- [NTSB WPR20LA224](https://openairdocs.org/ntsb/WPR20LA224.md): Hiller UH 12D · Mehama, OR · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 17, 2020 · N2297W · Destroyed
  > An in-flight separation of a tail rotor blade due to fatigue cracking and overstress, which resulted in a loss of directional control and subsequent ground impact.
- [NTSB ANC20LA064](https://openairdocs.org/ntsb/ANC20LA064.md): Piper PA22 · Soldotna, AK · Accident · No injuries · Class 3 · Limited · Final report · Jul 4, 2020 · N3604A · Substantial damage
  > The delamination of the fabric material from the fuselage above the windscreen due to failed adhesive, which resulted in disrupted airflow and a subsequent hard landing.
- [NTSB CEN20LA207](https://openairdocs.org/ntsb/CEN20LA207.md): Icon A5 · Duluth, MN · Accident · No injuries · Class 3 · Limited · Final report · Jun 3, 2020 · N838BA · Substantial damage
  > The pilot’s failure to remove an object from the airplane’s exterior, which impacted the propeller blades when he applied full power, causing them to fracture and damage the airplane.
- [NTSB DCA20LA107](https://openairdocs.org/ntsb/DCA20LA107.md): Boeing 737 · Victorville, CA · Accident · No injuries · Class 3 · Limited · Final report · May 19, 2020 · N820TJ · Substantial damage
  > Improper installation of dorsal fin attach bolts which caused the dorsal fin to separate during flight, substantially damaging the left horizontal stabilizer.
- [NTSB WPR20LA130](https://openairdocs.org/ntsb/WPR20LA130.md): Bell UH 1H · Mesa, AZ · Accident · 1 fatal · Class 3 · Limited · Final report · Apr 24, 2020 · N3276T · Substantial damage
  > An in-flight separation of the tail rotor gearbox from the airframe due to fatigue failure of the gearbox attachment studs, resulting in a loss of directional control and subsequent ground impact. Contributing to the accident were 1) the improper application…
- [NTSB ERA20CA135](https://openairdocs.org/ntsb/ERA20CA135.md): AugustaWestland AW119MKII · Philadelphia, PA · Accident · No injuries · Data collection · Final report · Mar 21, 2020 · N982SS · Substantial damage
  > The in-flight failure of the lower left side of the engine cowling due to the mechanic’s improper installation of the fasteners, which resulted in the cowling impacting all four main rotor blades.
- [NTSB DCA20WA106](https://openairdocs.org/ntsb/DCA20WA106.md): Embraer ERJ190 · Rosario, Argentina · Incident · No injuries · Foreign investigation · Feb 17, 2020 · LV-CHQ · Minor damage
  > The Junta de Seguridad en el Transporte (JST) Republica Argentina Direccion Nacional de Investigaciones (JIAAC) has notified the NTSB of an incident involving a EMBRAER ERJ190 airplane that occurred on February 17, 2020. The NTSB has appointed a U.S.…
- [NTSB CEN20LA082](https://openairdocs.org/ntsb/CEN20LA082.md): Cessna 560 · Aledo, TX · Accident · No injuries · Class 3 · Limited · Final report · Feb 12, 2020 · N654CE · Substantial damage
  > The in-flight separation of the upper and lower right engine cowlings for reasons that could not be determined based on available evidence.

Next page: https://openairdocs.org/ntsb-events/338/cases.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 e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '338')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/338/cases?page=2

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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.
