# NTSB investigations: Airframe/component/system failure/malfunction

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 47 of 79 · 3,929 cases

## Cases, newest first

- [NTSB BFO90LA065](https://openairdocs.org/ntsb/BFO90LA065.md): Robinson R22 · Paducah, KY · Accident · No injuries · Limited investigation · Final report · Jul 27, 1990 · N9017S · Substantial damage
  > The loss of tail rotor thrust due to improper part installation.
- [NTSB MIA90IA159](https://openairdocs.org/ntsb/MIA90IA159.md): de Havilland DHC-8-100 · Panama City, FL · Incident · No injuries · Incident investigation · Final report · Jul 25, 1990 · N800MX · No damage
  > Failure of seal in the hydraulic actuator for the right outboard wing spoiler panel for unknown reasons.
- [NTSB CHI90DCG01](https://openairdocs.org/ntsb/CHI90DCG01.md): George R. Losey J6-KARATOO · Grain Valley, MO · Accident · Serious injuries · Final report · Jul 23, 1990 · N89BD · Substantial damage
  > The propeller blade separation during initial climb, and the failure of the pilot in command to maintain flying speed during the emergency descent.
- [NTSB ATL90FA146](https://openairdocs.org/ntsb/ATL90FA146.md): Boeing 737-222 · Kinston, NC · Accident · Minor injuries · Field investigation · Final report · Jul 22, 1990 · N210US · Substantial damage
  > Failure of the fuel pump control shaft because of improper machining by the repair facility during maintenance modification of the pump and improper procedures during overhaul of the nose landing gear.
- [NTSB LAX90DVG13](https://openairdocs.org/ntsb/LAX90DVG13.md): Charles T. Brietigam RV-4 · San Andreas, CA · Accident · Serious injuries · Final report · Jul 21, 1990 · N87CT · Destroyed
  > The failure of four propeller retention bolts which required the engine to be shut down. A factor in the accident was the pilot's misjudgement of the forced landing approach.
- [NTSB BFO90FA064](https://openairdocs.org/ntsb/BFO90FA064.md): Piper PA-28-200 · Baltimore, MD · Accident · Serious injuries · Field investigation · Final report · Jul 19, 1990 · N32975 · Destroyed
  > The pilot failed to maintain adequate airspeed which resulted in a stall. Contributing was the loss of power for undetermined reasons.
- [NTSB MIA90LA153](https://openairdocs.org/ntsb/MIA90LA153.md): Lockheed L-188A · Caribbean Sea · Accident · No injuries · Limited investigation · Final report · Jul 14, 1990 · N4465F · Substantial damage
  > The inflight loss of the nos 3 and 4 propellers and gearboxes for undetermined reasons. The failed components were not recovered from the Caribbean Sea.
- [NTSB MKC90LA145](https://openairdocs.org/ntsb/MKC90LA145.md): Monnett Sonerai II · Cherokee, IA · Accident · Minor injuries · Limited investigation · Final report · Jul 13, 1990 · N2MX · Substantial damage
  > Aircraft control not maintained by the pilot in command.
- [NTSB MKC90LA144](https://openairdocs.org/ntsb/MKC90LA144.md): Bell 47D-1 · Fair Oaks, AR · Accident · Minor injuries · Limited investigation · Final report · Jul 12, 1990 · N8117 · Substantial damage
  > Tail rotor cable disengagement due to inadequate maintenance.
- [NTSB SEA90FA129](https://openairdocs.org/ntsb/SEA90FA129.md): Piper PA-32RT-300T · Prineville, OR · Accident · 1 fatal · Field investigation · Final report · Jul 9, 1990 · N30511 · Destroyed
  > The failure of the left intermediate exhaust pipe, in-flight engine fire and smoke in the cockpit, resulting in impairment of the pilot and his subsequent loss of control.
- [NTSB MIA90LA149](https://openairdocs.org/ntsb/MIA90LA149.md): Rockwell S-2R · Crowder, MS · Accident · No injuries · Limited investigation · Final report · Jul 9, 1990 · N8464V · Destroyed
  > Fatigue failure of a bolt which secures the mixture and throttle bellcranks to the bellcrank support assembly.
- [NTSB NYC90LA155](https://openairdocs.org/ntsb/NYC90LA155.md): Cessna 305A · Newburyport, MA · Accident · No injuries · Limited investigation · Final report · Jul 7, 1990 · N5208G · Substantial damage
  > Failure of the pilot in command to follow procedures for landing with a banner still attached, contributing to the accident was the improper modification of banner release mechanism.
- [NTSB DEN90LA152](https://openairdocs.org/ntsb/DEN90LA152.md): Stinson 108 · Clovis, NM · Accident · No injuries · Limited investigation · Final report · Jul 7, 1990 · N677C · Substantial damage
  > Improper installation of the right main wheel assembly.
- [NTSB MIA90IA148](https://openairdocs.org/ntsb/MIA90IA148.md): Mitsubishi MU-2B · Tyndall Afb, FL · Incident · No injuries · Incident investigation · Final report · Jul 2, 1990 · N722DM · Minor damage
  > A propeller blade fatigue failure due to improper overhaul by other maintenance personnel not performing overhaul in accordance with factory service bulletins.
- [NTSB CHI90DEM05](https://openairdocs.org/ntsb/CHI90DEM05.md): Oo-Culley Osprey · Iron Mountain, MI · Accident · 1 fatal · Final report · Jul 1, 1990 · N176 · Destroyed
  > Jamming of the rudder cable between the pulley and the pulley support bracket and the pilot's continued operation of the airplane with a known deficiency.
- [NTSB MIA90IA144](https://openairdocs.org/ntsb/MIA90IA144.md): Cessna 210L · Fort Lauderdale, FL · Incident · No injuries · Incident investigation · Final report · Jun 25, 1990 · N732BL · Minor damage
  > Incorrect placement of the retaining ring in the left main landing gear door actuator by the mechanic resulting in the loss of hydraulic fluid. This prevented the gear from extending resulting in the gear up landing.
- [NTSB ATL90IA136](https://openairdocs.org/ntsb/ATL90IA136.md): Douglas DC-9-51 · Atlanta, GA · Incident · No injuries · Incident investigation · Final report · Jun 22, 1990 · N415EA · Minor damage
  > Inadequate maintenance inspection of the airplane which resulted in operation of the tire while under inflated and its subsequent failure. A factor in the incident was the inadequate quality control by the tire recapping facility which failed to repair a…
- [NTSB ATL90FA135](https://openairdocs.org/ntsb/ATL90FA135.md): Boeing 727-281 · Charleston, SC · Accident · Serious injuries · Field investigation · Final report · Jun 22, 1990 · N743US · No damage
  > Improper utilization of the emergency equipment.
- [NTSB NYC90LA134](https://openairdocs.org/ntsb/NYC90LA134.md): Hughes 269A · Pittstown, NJ · Accident · Minor injuries · Limited investigation · Final report · Jun 21, 1990 · N110ES · Destroyed
  > Ground resonance due to inadequate servicing and maintenance of the landing gear dampers.
- [NTSB NYC90DNE03](https://openairdocs.org/ntsb/NYC90DNE03.md): Aerodyne Vector 727 Senior · Berlin, MA · Accident · 2 fatal · Final report · Jun 16, 1990 · UNREG · Destroyed
  > In-flight failure of the wings for undetermined reason(s).
- [NTSB NYC90FHD01](https://openairdocs.org/ntsb/NYC90FHD01.md): Mason Hummel Bird · Lumberton, NJ · Accident · 1 fatal · Final report · Jun 10, 1990 · N51L · Destroyed
  > Failure of the rudder attach bolt, which resulted in a loss of aircraft control and an uncontrolled descent to the ground.
- [NTSB FTW90DPA05](https://openairdocs.org/ntsb/FTW90DPA05.md): Gyroflug SC01B160 · Mineral Wells, TX · Accident · 1 fatal · Final report · Jun 10, 1990 · N3412L · Destroyed
  > Total propeller blade retention failure, the resultant separation of one propeller blade, and the improper installation of the propeller by unknown maintenance personnel.
- [NTSB ATL90IA126](https://openairdocs.org/ntsb/ATL90IA126.md): Douglas DC-9-31 · Atlanta, GA · Incident · No injuries · Incident investigation · Final report · Jun 8, 1990 · N8943E · Minor damage
  > Inadequate maintenance inspection by operator personnel which resulted in operation of the tire while under-inflated.
- [NTSB NYC90LA125](https://openairdocs.org/ntsb/NYC90LA125.md): Hughes 369HS · Brookville, PA · Accident · Serious injuries · Limited investigation · Final report · Jun 5, 1990 · N8315F · Destroyed
  > Worn tail rotor pitch control assembly, due to improper maintenance/installation, and subsequent fatigue failure of the tail rotor swashplate.
- [NTSB ATL90IA124](https://openairdocs.org/ntsb/ATL90IA124.md): Douglas DC-9-31 · Atlanta, GA · Incident · No injuries · Incident investigation · Final report · May 31, 1990 · N8982E · No damage
  > Failure of the ac cross tie relay, which prevented the generators from being reconnected to the electrical system. A factor in the incident was the loss of the left generator in flight. Factors include inadvertently disconnecting the left generator while…
- [NTSB MKC90LA116](https://openairdocs.org/ntsb/MKC90LA116.md): Rollins-Bowers FLY Baby 1A · Bemidji, MN · Accident · 1 fatal · Limited investigation · Final report · May 29, 1990 · N3204 · Substantial damage
  > The wing attachment bolts were not installed resulting in inflight wing separation.
- [NTSB NYC90LA116](https://openairdocs.org/ntsb/NYC90LA116.md): Stinson 108-1 · Athens, NY · Accident · Serious injuries · Limited investigation · Final report · May 28, 1990 · N77WC · Substantial damage
  > Inflight loss of control due to loss of airspeed and subsequent stall when the pilot's seat back failed and the pilot hung onto the control wheel, resulting in an excessive nose high attitude.
- [NTSB MIA90FA135](https://openairdocs.org/ntsb/MIA90FA135.md): Cessna T303 · Deland, FL · Accident · Minor injuries · Field investigation · Final report · May 28, 1990 · N4973V · Destroyed
  > The chafed and shorted electrical wiring between bus bars, which caused a partial electrical failure, resulted in a false fire warning indication, and prevented the restart of the right engine.
- [NTSB ATL90DKJ04](https://openairdocs.org/ntsb/ATL90DKJ04.md): 67 Flying Dutchman D1/LFD-13 · Tuscaloosa, AL · Accident · No injuries · Final report · May 27, 1990 · N1113D · Substantial damage
  > Maintenance personnel who performed an improper modification of the propeller blade.
- [NTSB NYC90LA112](https://openairdocs.org/ntsb/NYC90LA112.md): Piper PA-24-250 · Lyons, NY · Accident · No injuries · Limited investigation · Final report · May 26, 1990 · N7308P · Substantial damage
  > A worn out brake on the left main gear. Factors related to the accident were: the owner's decision not to repair the left brake after the right brake had a similar failure 4 hours earlier.
- [NTSB MIA90LA134](https://openairdocs.org/ntsb/MIA90LA134.md): Ayres S2R-600 · Vero Beach, FL · Accident · Minor injuries · Limited investigation · Final report · May 26, 1990 · N40145 · Substantial damage
  > The operation of the airplane with an unairworthy propeller by the operator.
- [NTSB LAX90FA202](https://openairdocs.org/ntsb/LAX90FA202.md): Robinson R22B · Payson, AZ · Accident · No injuries · Field investigation · Final report · May 26, 1990 · N528EE · Substantial damage
  > Control interference which the CFI encountered during landing flare. Contributing factors related to the student not understanding communications from the CFI, the unclear language and the operator's inadequate certification of the airman.
- [NTSB LAX90DUG06](https://openairdocs.org/ntsb/LAX90DUG06.md): Sabelino KR-2 · Chino, CA · Accident · No injuries · Final report · May 26, 1990 · N359GS · Substantial damage
  > Failure of the brake system for undetermined reasons resulting in the pilot losing directional control during landing and veering off the runway.
- [NTSB SEA90IA085](https://openairdocs.org/ntsb/SEA90IA085.md): Fairchild SA227 · Olympia, WA · Incident · Minor injuries · Incident investigation · Final report · May 23, 1990 · N27442 · Minor damage
  > Due to an ice build-up departing the propeller and striking the cabin window.
- [NTSB LAX90LA187](https://openairdocs.org/ntsb/LAX90LA187.md): Hughes 269C · Rialto, CA · Accident · No injuries · Limited investigation · Final report · May 23, 1990 · N7441F · Substantial damage
  > Improper maintenance procedure by maintenance personnel to troubleshoot a reported deficiency and the pilot's decision to demonstrate the vibration, exceeding the design limits of the helicopter and inducing ground resonance. Contributing to the accident was…
- [NTSB SEA90LA084](https://openairdocs.org/ntsb/SEA90LA084.md): Hughes 269A · Bremerton, WA · Accident · No injuries · Limited investigation · Final report · May 22, 1990 · N8888F · Substantial damage
  > Failure of the tail rotor control for an undetermined reason.
- [NTSB SEA90LA083](https://openairdocs.org/ntsb/SEA90LA083.md): Sikorsky S-58D · Juneau, AK · Accident · Serious injuries · Limited investigation · Final report · May 21, 1990 · N94495 · Destroyed
  > The failure of the number 3 segment of the tail rotor drive shaft assembly.
- [NTSB MKC90FA107](https://openairdocs.org/ntsb/MKC90FA107.md): Beech A35 · Washington, MO · Accident · No injuries · Field investigation · Final report · May 14, 1990 · N511B · Substantial damage
  > Improper static balance of the ruddervators following rebuilding/repainting, which resulted in empennage flutter.
- [NTSB MIA90LA120](https://openairdocs.org/ntsb/MIA90LA120.md): Enstrom F-28A · Marathon, FL · Accident · No injuries · Limited investigation · Final report · May 13, 1990 · N9056 · Substantial damage
  > Failure of the input drive gear of the tail rotor gear box for undetermined reasons because the drive gear was not recovered from the ocean.
- [NTSB MKC90LA102](https://openairdocs.org/ntsb/MKC90LA102.md): Lightcap PITTS-S-1D · Larned, KS · Accident · No injuries · Limited investigation · Final report · May 7, 1990 · N64585 · Substantial damage
  > Failure of the main landing gear attachment strut, due to fatigue.
- [NTSB DEN90FA104](https://openairdocs.org/ntsb/DEN90FA104.md): Canadair CT-133 · Roswell, NM · Accident · 2 fatal · Field investigation · Final report · May 4, 1990 · N233RK · Destroyed
  > The pilot-in-command's performance of aerobatic maneuvers that exceeded the design stress limits of the aircraft, resulting in catastrophic failure of the wing.
- [NTSB NYC90LA095](https://openairdocs.org/ntsb/NYC90LA095.md): Beech Baron 58 · Danbury, CT · Accident · No injuries · Limited investigation · Final report · Apr 27, 1990 · N168CC · Substantial damage
  > Pilot factor in that the pilot elected to abort the takeoff with insufficient r/w remaining to stop the aircraft on the runway and collided with a fence, car & van.
- [NTSB CHI90FA117](https://openairdocs.org/ntsb/CHI90FA117.md): Bellanca 8KCAB · West Bend, WI · Accident · 2 fatal · Field investigation · Final report · Apr 24, 1990 · N2976R · Destroyed
  > Inflight failure of the right wing strut-to-spar attachment fitting due to fatigue initiated by improper welding techniques involving inadequate post-weld cooling control.
- [NTSB DEN90LA098](https://openairdocs.org/ntsb/DEN90LA098.md): Cessna 310B · Elizabeth, CO · Accident · No injuries · Limited investigation · Final report · Apr 21, 1990 · N6641B · Substantial damage
  > The pilot's attempt to takeoff with a known deficiency and the partial failure of the propeller feathering system.
- [NTSB ATL90FA100](https://openairdocs.org/ntsb/ATL90FA100.md): Bell 205A-1 · Moncks Corner, SC · Accident · 1 fatal · Field investigation · Final report · Apr 20, 1990 · N67HJ · Destroyed
  > The in-flight separation of the main rotor because of the failure of a pillow block bolt, and the failure of the operator/repair station to follow the overhaul procedures.
- [NTSB MKC90LA088](https://openairdocs.org/ntsb/MKC90LA088.md): Bell 47 · Oakdale, MN · Accident · Serious injuries · Limited investigation · Final report · Apr 18, 1990 · N5120B · Substantial damage
  > A slipping rotor drive clutch assembly due to improper maintenance by company personnel. Contributing factors were static wires in the path.
- [NTSB ANC90LA062](https://openairdocs.org/ntsb/ANC90LA062.md): Piper PA-31-350 · Deadhorse, AK · Accident · No injuries · Limited investigation · Final report · Apr 17, 1990 · N4109E · Substantial damage
  > Inadequate maintenance and inspection of the nose baggage door.
- [NTSB FTW90DPJ05](https://openairdocs.org/ntsb/FTW90DPJ05.md): Bell 47G-4A · Bixby, OK · Accident · Minor injuries · Final report · Apr 14, 1990 · N2238W · Destroyed
  > Loss of control due to undetermined mechanical failure.
- [NTSB MKC90LA083](https://openairdocs.org/ntsb/MKC90LA083.md): Bell 47G-2 · Harrisburg, AR · Accident · No injuries · Limited investigation · Final report · Apr 12, 1990 · N4779U · Substantial damage
  > Failure of the generator, and failure of the pilot to maintain rotor RPM.
- [NTSB MIA90LA103](https://openairdocs.org/ntsb/MIA90LA103.md): Swing Velocity RG · Wimauma, FL · Accident · No injuries · Limited investigation · Final report · Apr 11, 1990 · N125V · Substantial damage
  > Delamination of a portion of one of the wooden propeller blades at a knot, resulting in severe vibration and necessitating a forced landing.

Next page: https://openairdocs.org/ntsb.md?occurrence=130&page=48

## 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 o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=130&page=47

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