# 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 48 of 79 · 3,929 cases

## Cases, newest first

- [NTSB DEN90LA086](https://openairdocs.org/ntsb/DEN90LA086.md): Schweizer SGS 2-33A · Morgan, UT · Accident · No injuries · Limited investigation · Final report · Apr 4, 1990 · N2048T · Substantial damage
  > Separation of the tow rope and the pilot's failure to establish an appropriate descent rate as he returned to land. Contributing to the accident were the tailwind and the unsuitable terrain for landing beyond the runway end.
- [NTSB FTW90DRD04](https://openairdocs.org/ntsb/FTW90DRD04.md): Grumman G-164B · Fenton, LA · Accident · No injuries · Final report · Apr 3, 1990 · N6714K · Destroyed
  > Failure of the elevator control rod end bearing.
- [NTSB LAX90LA132](https://openairdocs.org/ntsb/LAX90LA132.md): Aerospatiale AS350B · Saipan (Pacific Ocean) · Accident · No injuries · Limited investigation · Final report · Apr 1, 1990 · N350AP · Destroyed
  > The partial failure of a rotor system component for undetermined reasons.
- [NTSB ATL90FA089](https://openairdocs.org/ntsb/ATL90FA089.md): Hiller UH-12D · Soddy-Daisy, TN · Accident · 1 fatal · Field investigation · Final report · Mar 31, 1990 · N94496 · Substantial damage
  > Fatigue induced failure of the collective pitch push rod (adjustable) during flight, and the failure of the pilot to provide routine maintenance. The pilot's lack of expereince and his failure to obtain required training and certification were factors in the…
- [NTSB ATL90LA088](https://openairdocs.org/ntsb/ATL90LA088.md): Mooney M20F · Murfreesboro, TN · Accident · No injuries · Limited investigation · Final report · Mar 30, 1990 · N7061V · Substantial damage
  > Fatigue failure of the propeller blade which resulted in a forced off-airport landing.
- [NTSB FTW90IA086](https://openairdocs.org/ntsb/FTW90IA086.md): British Aerospace HS125-800 · Atlanta, GA · Incident · No injuries · Incident investigation · Final report · Mar 22, 1990 · N802X · No damage
  > The leaking aft lavatory water heater unit.
- [NTSB FTW90DPJ03](https://openairdocs.org/ntsb/FTW90DPJ03.md): Piper PA36-400 · Temple, OK · Accident · Minor injuries · Final report · Mar 22, 1990 · N2331X · Substantial damage
  > Failure of an aileron attachment (bolt) due to fatigue.
- [NTSB FTW90IA085](https://openairdocs.org/ntsb/FTW90IA085.md): Cessna Citation SII · Dallas, TX · Incident · No injuries · Incident investigation · Final report · Mar 21, 1990 · N570RC · No damage
  > Improper installation of the air conditioning unit, which resulted in an electrical short which caused separation of an elevator control cable.
- [NTSB MKC90LA069](https://openairdocs.org/ntsb/MKC90LA069.md): Cessna 175 · Derby, KS · Accident · No injuries · Limited investigation · Final report · Mar 16, 1990 · N7555M · Substantial damage
  > Failure of the nose gear yoke.
- [NTSB ATL90LA080](https://openairdocs.org/ntsb/ATL90LA080.md): Learjet 24 · Anderson, SC · Accident · Serious injuries · Limited investigation · Final report · Mar 16, 1990 · N100VQ · Substantial damage
  > Electrical arcing which resulted from a short in the pilot's map light circuit; a chafted wire contacted the oxygen supply line at the oxygen control panel in the cockpit. A factor in the accident was the inadequate design of the oxygen panel plumbing and…
- [NTSB ATL90IA076](https://openairdocs.org/ntsb/ATL90IA076.md): Douglas DC-9-31 · Atlanta, GA · Incident · No injuries · Incident investigation · Final report · Mar 14, 1990 · N8951E · Minor damage
  > Inadequate servicing of the airplane by operator maintenance personnel which resulted in the burst tire. Factors in the accident were hydraulic system lines which were fractured by debris from the burst tire and a total failure of the airplane hydraulic…
- [NTSB ATL90LA078](https://openairdocs.org/ntsb/ATL90LA078.md): North American T-6 G · Albany, GA · Accident · No injuries · Limited investigation · Final report · Mar 9, 1990 · N96143 · Substantial damage
  > A locked brake which prevented the pilot from maintaining directional control during the landing roll. The brake material expanded after becoming water soaked while taxiing.
- [NTSB DEN90LA071](https://openairdocs.org/ntsb/DEN90LA071.md): Cessna 402B · Alamogordo, NM · Accident · No injuries · Limited investigation · Final report · Mar 7, 1990 · N3128K · Substantial damage
  > The collapse of the right main landing gear as a result of the malfunction of the down lock assembly and failure of the torque tube bracket assembly.
- [NTSB MIA90LA083](https://openairdocs.org/ntsb/MIA90LA083.md): Air Tractor AT-301 · Rolling Fork, MS · Accident · No injuries · Limited investigation · Final report · Mar 6, 1990 · N23509 · Substantial damage
  > The in-flight separation of the left aileron due to improper maintenance procedures and an inadequate aircraft preflight.
- [NTSB ANC90LA037](https://openairdocs.org/ntsb/ANC90LA037.md): Cessna 180 · Fairbanks, AK · Accident · No injuries · Limited investigation · Final report · Mar 6, 1990 · N2428C · Substantial damage
  > Improper installation of the gear axle (use of improper bolts & the wrong number of shims), which resulted in a subsequent failure and loss of control during the landing roll.
- [NTSB ANC90LA036](https://openairdocs.org/ntsb/ANC90LA036.md): Piper PA-12 · Nome, AK · Accident · No injuries · Limited investigation · Final report · Mar 5, 1990 · N7853H · Substantial damage
  > The failure of the left gear axle due to corrosion and fatigue.
- [NTSB DEN90LA065](https://openairdocs.org/ntsb/DEN90LA065.md): Cessna P206A · Logan, UT · Accident · No injuries · Limited investigation · Final report · Feb 24, 1990 · N4679F · Destroyed
  > The pilot flew the aircraft with an improper modification to the fuel system, which resulted in a fuel leak and subsequent fire.
- [NTSB LAX90IA101](https://openairdocs.org/ntsb/LAX90IA101.md): Lockheed L-1011-385-1 · Los Angeles, CA · Incident · Minor injuries · Incident investigation · Final report · Feb 19, 1990 · N31013 · Minor damage
  > The failure of the weld holding the slip joint to the pneumatic dual compensator from the no. 2 engine.
- [NTSB BFO90IA028](https://openairdocs.org/ntsb/BFO90IA028.md): Boeing B-727-29 · Washington, DC · Incident · No injuries · Incident investigation · Final report · Feb 17, 1990 · N902TS · Minor damage
  > The accident was fatigue failure of the right main landing gear support link shaft because of overtorque.
- [NTSB SEA90IA042](https://openairdocs.org/ntsb/SEA90IA042.md): Boeing 747-446B · Everett, WA · Incident · No injuries · Incident investigation · Final report · Feb 15, 1990 · UNREG · Minor damage
  > A break from pre-existing intergranular cracks which led to a fracture.
- [NTSB FTW90DRD02](https://openairdocs.org/ntsb/FTW90DRD02.md): C&J Sontheimer Rotorway · Lake Charles, LA · Accident · No injuries · Final report · Feb 10, 1990 · N850JR · Substantial damage
  > Failure of the tail rotor drive belt.
- [NTSB LAX90FA083](https://openairdocs.org/ntsb/LAX90FA083.md): Cessna 152 · Phoenix, AZ · Accident · 1 fatal · Field investigation · Final report · Feb 6, 1990 · N6471L · Substantial damage
  > Design stress limits exceeded.
- [NTSB DEN90LA054](https://openairdocs.org/ntsb/DEN90LA054.md): Piper PA-32RT-300T · Provo, UT · Accident · No injuries · Limited investigation · Final report · Feb 3, 1990 · N21492 · Substantial damage
  > Improper installation by maintenance personnel and fatigue failure and leakage of the left intermediate exhaust pipe, which resulted in an in-flight fire in the engine compartment. Contributing factors were: inadequate service bulletin provided by the…
- [NTSB ATL90IA060](https://openairdocs.org/ntsb/ATL90IA060.md): Douglas DC-9-31 · Louisville, KY · Incident · Minor injuries · Incident investigation · Final report · Jan 31, 1990 · N8978E · Minor damage
  > The disabling of the main landing gear torque link which allowed the truck to rotate freely. The torque link was disabled when excessive vibration was generated by excessive play of the torque link pins in their bushings.
- [NTSB CHI90LA074](https://openairdocs.org/ntsb/CHI90LA074.md): MBB BK-117A-1 · Janesville, WI · Accident · No injuries · Limited investigation · Final report · Jan 30, 1990 · N117M · Substantial damage
  > The pilot-in-command failed to ensure that the engine cowling latches were properly secured prior to departing on the maintenance test flight; the cowling came loose during flight, and contacted the main rotor blades before it separated from the helicopter.
- [NTSB MIA90LA063](https://openairdocs.org/ntsb/MIA90LA063.md): Piper PA-28-151 · Orlando, FL · Accident · No injuries · Limited investigation · Final report · Jan 28, 1990 · N1528X · Substantial damage
  > The pilot misjudged clearance between his aircraft and a parked aircraft, while turning on the taxiway. Factors related to the accident were: darkness and pilot fatigue.
- [NTSB ATL90LA058](https://openairdocs.org/ntsb/ATL90LA058.md): Beech C24R · Greer, SC · Accident · No injuries · Limited investigation · Final report · Jan 28, 1990 · N66336 · Substantial damage
  > The pilot in command's improper flare which resulted in a hard landing.
- [NTSB CHI90DET03](https://openairdocs.org/ntsb/CHI90DET03.md): Pterodactyl Ascender II+2 · Lake Village, IN · Accident · 1 fatal · Final report · Jan 24, 1990 · UNREG · Substantial damage
  > In-flight structural failure of the right wing spar.
- [NTSB CHI90IA070](https://openairdocs.org/ntsb/CHI90IA070.md): Boeing B737-300 · Cedar Rapids, IA · Incident · No injuries · Incident investigation · Final report · Jan 20, 1990 · N338UA · Minor damage
  > The failure of all four main landing gear tires on takeoff due to the parking brake being locked.
- [NTSB MIA90LA053](https://openairdocs.org/ntsb/MIA90LA053.md): Beech E185 · Wauchula, FL · Accident · No injuries · Limited investigation · Final report · Jan 13, 1990 · N50BP · Substantial damage
  > Loss of air pressure in the left main tire during flight, which resulted in a ground swerve during the landing and a nose over as the pilot was correcting with opposite brake and rudder.
- [NTSB FTW90LA056](https://openairdocs.org/ntsb/FTW90LA056.md): Cessna 170 · Crockett, TX · Accident · No injuries · Limited investigation · Final report · Jan 13, 1990 · N6303D · Substantial damage
  > The failure of the main landing gear axle due to fatigue which led to a loss of control after touchdown.
- [NTSB NYC90LA049](https://openairdocs.org/ntsb/NYC90LA049.md): Piper PA-34-200T · Messena, NY · Accident · No injuries · Limited investigation · Final report · Jan 11, 1990 · N1506X · Substantial damage
  > The airplane striking a light pole during an off airport landing on a road, due to a double power loss for unknown reasons. Factors related to the accident were: the pilots unfamiliarity with the airplane.
- [NTSB MIA90FA049](https://openairdocs.org/ntsb/MIA90FA049.md): Lockheed L1329 · Miami, FL · Accident · 1 fatal · Field investigation · Final report · Jan 6, 1990 · N96GS · Destroyed
  > The pilot's improper decision to reject the takeoff after the airplane had passed V1 speed and lifted off the runway. A factor was a malfunctioning #2 engine electronic engine conttrol which caused the unit to over-schedule fuel to the engine resulting in…
- [NTSB MIA90IA047](https://openairdocs.org/ntsb/MIA90IA047.md): Boeing 727-251 · Madison, FL · Incident · No injuries · Incident investigation · Final report · Jan 4, 1990 · N2280 · Minor damage
  > The failure of company service personnel to properly service the airplane forward lavatory.
- [NTSB BFO90FA017](https://openairdocs.org/ntsb/BFO90FA017.md): Douglas DC-10 · Baltimore, MD · Accident · Serious injuries · Field investigation · Final report · Jan 2, 1990 · N109AA · No damage
  > Injuries associated with the evacuation of the aircraft.
- [NTSB FTW90LA044](https://openairdocs.org/ntsb/FTW90LA044.md): Aerospatiale AS-350B · Grand Prairie, TX · Accident · No injuries · Limited investigation · Final report · Dec 25, 1989 · N249HS · Substantial damage
  > Manufacturer's failure to property install the left side components of the dual control system following its removal for additional completion work prior to delivery of the aircraft. Contributing to the accident was the failure of quality control personnel to…
- [NTSB NYC90FA040](https://openairdocs.org/ntsb/NYC90FA040.md): Piper PA-60-602P · Frenchtown, NJ · Accident · 1 fatal · Field investigation · Final report · Dec 21, 1989 · N6894Y · Destroyed
  > The inadequate maintenance and inspection of the turbocharger tailpipe exhaust stack on the right engine by the mechanic(s). The failure of the tailpipe permitted heat from the exhaust to weaken the main spar of the right wing resulting in a catastrophic…
- [NTSB SEA90FA030](https://openairdocs.org/ntsb/SEA90FA030.md): Crawford-Gordon Thorp T-18 · Austin, NV · Accident · 1 fatal · Field investigation · Final report · Dec 16, 1989 · N111GC · Destroyed
  > An improper major alteration performed by the pilot. As a result of this modification, the propeller failed in flight.
- [NTSB MKC90LA039](https://openairdocs.org/ntsb/MKC90LA039.md): Beech 80 · Cape Girardeau, MO · Accident · No injuries · Limited investigation · Final report · Dec 13, 1989 · N525GT · Substantial damage
  > An inoperative landing gear extension system due to failure of an electric motor and a misplaced emergency crank handle.
- [NTSB LAX90DJA02](https://openairdocs.org/ntsb/LAX90DJA02.md): Bryce Duster BJ-1B · Haleiwa, Oahu, HI · Accident · Minor injuries · Final report · Dec 11, 1989 · N25601 · Substantial damage
  > The separation in flight of the vertical wood fin from the main structure. It was not determined if the separation was due to overload forces or fatigue.
- [NTSB ANC90LA019](https://openairdocs.org/ntsb/ANC90LA019.md): Maule M-5 · Becky Lake, AK · Accident · No injuries · Limited investigation · Final report · Dec 10, 1989 · N6220M · Substantial damage
  > Fatigue failure of the ski attach fitting due to being fabricated locally from the wrong steel which resulted in the airplane nosing over.
- [NTSB CHI90DEP02](https://openairdocs.org/ntsb/CHI90DEP02.md): Rotec Panther 2+ · Holmen, WI · Accident · Serious injuries · Final report · Dec 1, 1989 · UNREG · Substantial damage
  > Inadvertent partial deployment of the emergency ballistic recovery parachute resulting in a loss of engine thrust and aerodynamic control of the aircraft.
- [NTSB SEA90LA023](https://openairdocs.org/ntsb/SEA90LA023.md): Hughes 369D · Stayton, OR · Accident · No injuries · Limited investigation · Final report · Nov 29, 1989 · N446TN · Substantial damage
  > The maintenance personnel failed to record the previous flight time for the overrunning clutch on airworthiness certification documents when the assembly was overhauled. Also, causal to the accident was the operation of the aircraft by the operator for 175…
- [NTSB FTW90FA031](https://openairdocs.org/ntsb/FTW90FA031.md): Cessna 210E · Matagorda 526 · Accident · 3 fatal · Field investigation · Final report · Nov 23, 1989 · TGGUW · Destroyed
  > The separation of the propeller system for unknown reasons. Contributing to the severity of the injuries was the pilot's failure to assure that a raft and/or lifevests were on the airplane during the overwater portion of the flight.
- [NTSB CHI90LA032](https://openairdocs.org/ntsb/CHI90LA032.md): Cessna 182H · Howell, MI · Accident · Minor injuries · Limited investigation · Final report · Nov 23, 1989 · N819CM · Substantial damage
  > Failure of the mixture control cable, which resulted in a loss of power due to fuel starvation during a climb after takeoff. A factor related to the accident was: rough terrain in the emergency landing area.
- [NTSB CHI90LA031](https://openairdocs.org/ntsb/CHI90LA031.md): Helio H-391B · Plainwell, MI · Accident · No injuries · Limited investigation · Final report · Nov 20, 1989 · N8750R · Substantial damage
  > Failure of the crosswind landing gear system to engage on the left main gear due to improper rigging adjustment by maintenance personnel. Factors related to the accident were: unfavorable wind conditions (gusts and quartering crosswind) and soft terrain in…
- [NTSB MIA90LA029](https://openairdocs.org/ntsb/MIA90LA029.md): Beech 58 · Fernandina Bch, FL · Accident · No injuries · Limited investigation · Final report · Nov 18, 1989 · N6659D · Substantial damage
  > Failure of the pilot to perform the emergency gear extension procedure to assure that the gear was down and locked. Factors related to the accident were: low oil pressure in the right eng, failure of both voltage regulators, and the low level of charge in the…
- [NTSB NYC90FA029](https://openairdocs.org/ntsb/NYC90FA029.md): Hughes 369HS · North Adams, MA · Accident · 2 fatal · Field investigation · Final report · Nov 15, 1989 · N9208F · Destroyed
  > Failure of the pilot-in-command (PIC) to assure proper rotor RPM and proper operation of the flight controls during an approach in gusty wind conditions. A factor related to the accident was: the pic's lack of experience in the type of operation.
- [NTSB MKC90LA027](https://openairdocs.org/ntsb/MKC90LA027.md): Bellanca 7GCBC · Springdale, AR · Accident · No injuries · Limited investigation · Final report · Nov 11, 1989 · N4115Y · Substantial damage
  > The banner tow pick up equipment became entangled resulting in a jammed rudder and restricted aircraft control.
- [NTSB FTW90LA025](https://openairdocs.org/ntsb/FTW90LA025.md): Beech 95 · Floydada, TX · Accident · No injuries · Limited investigation · Final report · Nov 11, 1989 · N17AT · Substantial damage
  > Failure of the propeller attachment bolts due to fatigue in four of the bolts and overload in another. A contributing factor was the loss of electrical power and the deteriorated airplane control/preformance.

Next page: https://openairdocs.org/ntsb.md?occurrence=130&page=49

## 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=48

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