# 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 35 of 79 · 3,929 cases

## Cases, newest first

- [NTSB NYC95LA051](https://openairdocs.org/ntsb/NYC95LA051.md): Cessna 152 · Belmont, NH · Accident · No injuries · Limited investigation · Final report · Feb 7, 1995 · N6182P · Substantial damage
  > The pilot's inadequate preflight of the airplane that failed to detect the ice clogged breather which resulted in the loss of oil and a subsequent emergency landing.
- [NTSB LAX95LA096](https://openairdocs.org/ntsb/LAX95LA096.md): Hiller UH-12E · Chowchilla, CA · Accident · No injuries · Limited investigation · Final report · Feb 3, 1995 · N9293Z · Destroyed
  > the in-flight failure and separation of the main rotor hub due to a fatigue crack.
- [NTSB MIA95LA064](https://openairdocs.org/ntsb/MIA95LA064.md): Beebe, Dale G. RV-6 · Zellwood, FL · Accident · No injuries · Limited investigation · Final report · Jan 28, 1995 · N109DB · Substantial damage
  > The improper in-flight decision by the pilot to abort takeoff with insufficient runway remaining.
- [NTSB CHI95IA079](https://openairdocs.org/ntsb/CHI95IA079.md): British Aerospace BAE-146-300 · Madison, WI · Incident · No injuries · Incident investigation · Final report · Jan 27, 1995 · N611AW · No damage
  > A fuel leak in the no. 2 engine left fuel manifold segment due to a design defect which led to a fatigue crack.
- [NTSB MIA95LA061](https://openairdocs.org/ntsb/MIA95LA061.md): Glassair III · Boynton Beach, FL · Accident · No injuries · Limited investigation · Final report · Jan 22, 1995 · N300FF · Substantial damage
  > a violent shimmy of the nose gear for undetermined reason(s), which resulted in an on-ground loss of directional control and a subsequent nose over.
- [NTSB LAX95FA082](https://openairdocs.org/ntsb/LAX95FA082.md): Piper PA-38-112 · Joshua Tree, CA · Accident · Minor injuries · Field investigation · Final report · Jan 20, 1995 · N4279E · Substantial damage
  > the operator's inadequate annual inspection by failing to find that the flight control's horizontal section of the 'T' bar was rubbing against the vacuum hoses behind the instrument panel. The jammed 'T' bar and the rough terrain were factors in this accident.
- [NTSB ATL95LA042](https://openairdocs.org/ntsb/ATL95LA042.md): Matto KR-2A Modified · Boone, NC · Accident · No injuries · Limited investigation · Final report · Jan 18, 1995 · N612W · Substantial damage
  > The failure of the propeller retaining bolts for an undetermined reason, which resulted in the separation of the propeller from the engine. The rising, mountainous terrain was a factor.
- [NTSB FTW95IA096](https://openairdocs.org/ntsb/FTW95IA096.md): ATR 72-212 · Dfw Airport, TX · Incident · Minor injuries · Incident investigation · Final report · Jan 17, 1995 · N408AT · Minor damage
  > The uncommanded activation of the brake system on the right main landing gear for undetermined reason.
- [NTSB CHI95IA066](https://openairdocs.org/ntsb/CHI95IA066.md): Beech 1900D · Williston, ND · Incident · No injuries · Incident investigation · Final report · Jan 12, 1995 · N118UX · Minor damage
  > the improper installation and inadequate quality assurance inspection of the elevator trim cable during original manufacture, which resulted in fraying and failure of the cable prior to the first routine scheduled inspection of the system.
- [NTSB ANC95LA026](https://openairdocs.org/ntsb/ANC95LA026.md): Piper PA-17 · Dutch Harbor, AK · Accident · No injuries · Limited investigation · Final report · Jan 6, 1995 · N4492H · Substantial damage
  > The partial failure of the right brake due to a leaky brake line.
- [NTSB FTW95FA080](https://openairdocs.org/ntsb/FTW95FA080.md): Beech 65-90 · Royal, AR · Accident · 2 fatal · Field investigation · Final report · Jan 4, 1995 · N101GA · Destroyed
  > The pilot inadvertently allowed the airplane to descend and collide with trees, after he became diverted by an inoperative cabin heater. Darkness was a related factor.
- [NTSB LAX95LA067](https://openairdocs.org/ntsb/LAX95LA067.md): Harris BD-10 · Gardnerville, NV · Accident · 1 fatal · Limited investigation · Final report · Dec 31, 1994 · N9WZ · Destroyed
  > the in-flight overload failure of the left vertical stabilizer spars, at force levels substantially below the predicted ultimate failure loads, due to inadequate substantiation by the designer.
- [NTSB NYC95DNC01](https://openairdocs.org/ntsb/NYC95DNC01.md): Wyman Scorpion II · Cornish Flat, NH · Accident · No injuries · Final report · Dec 28, 1994 · N65562 · Destroyed
  > Partial failure and subsequent partial separation of skin on the underside of one main rotor blade, which resulted in a severe vibration, in-flight loss of aircraft control, and impact with the ground during an attempted autorotation.
- [NTSB MIA95FA042](https://openairdocs.org/ntsb/MIA95FA042.md): Piper PA-32-260 · Plant City, FL · Accident · Serious injuries · Field investigation · Final report · Dec 28, 1994 · N33456 · Destroyed
  > The opening of the engine cowling latch in cruise flight for undetermined reasons. This resulted in the puncture of the engine oil cooler, total exhaustion of the engine oil, failure of the No. 6 connecting rod, rod bolts, forced landing while on final…
- [NTSB SEA95LA030](https://openairdocs.org/ntsb/SEA95LA030.md): Maule MX-7-235 · Heber City, UT · Accident · No injuries · Limited investigation · Final report · Dec 17, 1994 · N101ZA · Substantial damage
  > An open connection clip. A factor to the accident was a locked tail wheel assembly.
- [NTSB DCA95MA007](https://openairdocs.org/ntsb/DCA95MA007.md): Learjet 35A · Fresno, CA · Accident · 2 fatal · Class 1 · Major · Final report · Dec 14, 1994 · N521PA · Destroyed
  > 1) Improperly installed electrical wiring for special mission operations that led to an in-flight fire that caused airplane systems and structural damage and subsequent airplane control difficulties; 2) improper maintenance and inspection procedures followed…
- [NTSB BFO95LA021](https://openairdocs.org/ntsb/BFO95LA021.md): Elvin N. Kier Varieze · Cleveland, OH · Accident · Minor injuries · Limited investigation · Final report · Dec 14, 1994 · N59MW · Destroyed
  > A fatigue crack in the right elevator torque tube resulting in the disconnection of the elevator torque tubes and subsequent loss of airplane control.
- [NTSB FTW95IA064](https://openairdocs.org/ntsb/FTW95IA064.md): Aerospatiale ATR-72-212 · Dfw Airport, TX · Incident · No injuries · Incident investigation · Final report · Dec 12, 1994 · N633AS · Minor damage
  > Fire due to the internal failure of the number one DC starter-generator.
- [NTSB LAX95LA048](https://openairdocs.org/ntsb/LAX95LA048.md): Enstrom F28C · Cabazon, CA · Accident · No injuries · Limited investigation · Final report · Dec 11, 1994 · N214MM · Substantial damage
  > An unknown event (presumably a component/system failure) that resulted in loss of drive train power to the main rotor system. Factors related to the accident were: darkness and the obstruction (transmission line) in the emergency landing area.
- [NTSB ANC95FA019](https://openairdocs.org/ntsb/ANC95FA019.md): Boeing 737-3M8 (300) · Anchorage, AK · Accident · Serious injuries · Field investigation · Final report · Dec 11, 1994 · N681MA · No damage
  > The failure of the b system channel autopilot elevator actuator.
- [NTSB CHI95IA052](https://openairdocs.org/ntsb/CHI95IA052.md): Cessna 402 · Saint Louis, MO · Incident · No injuries · Incident investigation · Final report · Dec 6, 1994 · N412RW · Minor damage
  > improper maintenance installation (fuel line fitting)by other maintenance personnel. A factor was the cross threaded fuel line fitting.
- [NTSB FTW95LA060](https://openairdocs.org/ntsb/FTW95LA060.md): Howard DGA-15P · Las Cruces, NM · Accident · No injuries · Limited investigation · Final report · Dec 3, 1994 · N88WT · Substantial damage
  > The inadequate maintenance by unknown maintenance personnel. A factor was the collapsed landing gear.
- [NTSB CHI95IA045](https://openairdocs.org/ntsb/CHI95IA045.md): Fokker F-28-4000 · Evansville, IN · Incident · No injuries · Incident investigation · Final report · Nov 23, 1994 · N479AU · No damage
  > the failure of company maintenance personnel to adequately service (fill) the horizontal stabilizer drive actuator with hydraulic fluid.
- [NTSB FTW95IA049](https://openairdocs.org/ntsb/FTW95IA049.md): Boeing B-737-200 · Springfield, MO · Incident · No injuries · Incident investigation · Final report · Nov 18, 1994 · N988UA · Minor damage
  > The failure of either the inboard or the outboard wheel bearing assembly due to undetermined reasons.
- [NTSB CHI95LA036](https://openairdocs.org/ntsb/CHI95LA036.md): Lessel KR-2 · Portland, IN · Accident · 1 fatal · Limited investigation · Final report · Nov 12, 1994 · N95RJ · Destroyed
  > the failure of the elevator control cable attach point and the pilot's subsequent inability to control the airplane.
- [NTSB ATL95LA011](https://openairdocs.org/ntsb/ATL95LA011.md): Cessna 185 · Elizabethton, TN · Accident · No injuries · Limited investigation · Final report · Nov 3, 1994 · N6688H · Substantial damage
  > The flexing of the rudder pedal control locking assembly which resulted in the collapse of the co-pilot's left pedal during heavy braking.
- [NTSB CHI95LA029](https://openairdocs.org/ntsb/CHI95LA029.md): Hughes 269C · Garden City, KS · Accident · No injuries · Limited investigation · Final report · Nov 2, 1994 · N9294F · Substantial damage
  > inadvertant engagement of the rotor drive system, while the helicopter had been left unattended by the pilot.
- [NTSB MIA95LA015](https://openairdocs.org/ntsb/MIA95LA015.md): Rockwell S-2R · Madison, MS · Accident · No injuries · Limited investigation · Final report · Nov 1, 1994 · N8456V · Destroyed
  > The pilots improper use of brakes during a precautionary landing.
- [NTSB MIA95LA013](https://openairdocs.org/ntsb/MIA95LA013.md): Semco Challenger · Miami, FL · Accident · Minor injuries · Limited investigation · Final report · Oct 29, 1994 · N2048J · Substantial damage
  > Failure of the basket suspension cables due to corrosion and overstress separations. Contributing to the accident was an inadequate annual inspection of the basket suspension cables by an authorized FAA repairman.
- [NTSB LAX95LA023](https://openairdocs.org/ntsb/LAX95LA023.md): Glen A. Senecal 5151 · Apple Valley, CA · Accident · No injuries · Limited investigation · Final report · Oct 29, 1994 · N5246G · Substantial damage
  > the manufacturer's (owner/operator) improper balancing of the aileron flight controls which resulted in a cable separation due to overload from the aileron flutter. The rough/uneven terrain was also a factor.
- [NTSB LAX95IA027](https://openairdocs.org/ntsb/LAX95IA027.md): Fairchild SA-227AC · Oakland, CA · Incident · No injuries · Incident investigation · Final report · Oct 29, 1994 · N191AF · No damage
  > the company maintenance personnel's improper installation of the aileron cable.
- [NTSB FTW95LA034](https://openairdocs.org/ntsb/FTW95LA034.md): Brisendine Pterodactyl/Ascender · Las Animas, CO · Accident · 1 fatal · Limited investigation · Final report · Oct 29, 1994 · UNREG · Destroyed
  > A failure of the right wing into the propeller.
- [NTSB CHI95IA030](https://openairdocs.org/ntsb/CHI95IA030.md): Cessna 150 · Chesterfield, MO · Incident · Minor injuries · Incident investigation · Final report · Oct 26, 1994 · N7XC · No damage
  > the cracked heater exhaust muffler which resulted from an improper repair. Factors were the physical impairment of the solo flight student as a result of her inadequate training concerning carbon monoxide hazards.
- [NTSB NYC95LA017](https://openairdocs.org/ntsb/NYC95LA017.md): Pitts S-1C · Galeville, NY · Accident · Minor injuries · Limited investigation · Final report · Oct 22, 1994 · N7037W · Destroyed
  > Inadequate maintenance inspection which resulted in disengagement of the rudder clevis bolt and the inflight loss of control during aerobatic manuevers.
- [NTSB MIA95LA011](https://openairdocs.org/ntsb/MIA95LA011.md): Schweizer SGS 1-34 · Mulberry, FL · Accident · No injuries · Limited investigation · Final report · Oct 22, 1994 · N7679 · Substantial damage
  > The failure of the pilot-in-command to perform an adequate preflight inspection resulting in a leaking brake going undetected. This resulted in the failure of the brake due to loss of hydraulic fluid and collision with a sign and a ditch when the aircraft…
- [NTSB FTW95LA031](https://openairdocs.org/ntsb/FTW95LA031.md): Herron Little Wing Autogyro · Little Rock, AR · Accident · No injuries · Limited investigation · Final report · Oct 21, 1994 · N45LW · Substantial damage
  > The fractured tail wheel mounting bracket and loose tailwheel. A factor was the pilot's continued flight testing after experiencing tail wheel shimmy on the prior test flight.
- [NTSB FTW95IA023](https://openairdocs.org/ntsb/FTW95IA023.md): Mcdonnell Douglas MD-11 · Dfw Airport, TX · Incident · No injuries · Incident investigation · Final report · Oct 14, 1994 · N1758B · No damage
  > Improper maintenance by unknown persons resulting in a jammed spoiler. A factor was the reversed aileron fitting.
- [NTSB NYC95IA020](https://openairdocs.org/ntsb/NYC95IA020.md): Cessna 310R · Rochester, NY · Incident · No injuries · Incident investigation · Final report · Oct 11, 1994 · N5494J · Minor damage
  > Inadequate maintenance which resulted in undertorqued bolts, fatigue cracking of the hub, and the separation of the propeller assembly from the engine.
- [NTSB SEA95LA007](https://openairdocs.org/ntsb/SEA95LA007.md): Bony MB-1 · Madras, OR · Accident · Minor injuries · Limited investigation · Final report · Oct 8, 1994 · N51MB · Destroyed
  > The jamming of the rudder during due to undetermined reasons. Contributing to the accident was the pilot-in-command's failure to maintain adequate flying speed while attempting to take remedial action.
- [NTSB SEA95LA004](https://openairdocs.org/ntsb/SEA95LA004.md): Monocoupe 110 Special · Langley, WA · Accident · No injuries · Limited investigation · Final report · Oct 8, 1994 · N2064 · Substantial damage
  > Corrosion and subsequent failure of the elevator hinge attach fitting weld. This allowed the elevator to bend and impinge upon the rudder, subsequently jamming it to the full right position and rendering the aircraft impossible to control.
- [NTSB ATL95LA004](https://openairdocs.org/ntsb/ATL95LA004.md): Aero Commander S2R · Ashburn, GA · Accident · No injuries · Limited investigation · Final report · Oct 5, 1994 · N8971Q · Substantial damage
  > The failure of a blade counterweight bearing shaft, allowing one propeller blade to go to high pitch.
- [NTSB CHI95LA003](https://openairdocs.org/ntsb/CHI95LA003.md): Bell 47G2 · Decatur, IL · Accident · Minor injuries · Limited investigation · Final report · Oct 3, 1994 · N5193B · Substantial damage
  > the failure of the roller springs in the freewheeling unit of the transmission which caused the unit to disengage.
- [NTSB FTW94IA321](https://openairdocs.org/ntsb/FTW94IA321.md): Mcdonnell Douglas MD-11-F · Anchorage, AK · Incident · No injuries · Incident investigation · Final report · Sep 29, 1994 · N603FE · Minor damage
  > Right inboard flap vane component separation due to undetermined reasons.
- [NTSB ATL94FA179](https://openairdocs.org/ntsb/ATL94FA179.md): Robinson R-22B · Knightdale, NC · Accident · 1 fatal · Field investigation · Final report · Sep 28, 1994 · N83112 · Destroyed
  > Divergence of the main rotor from its normal plane of rotation for an undetermined reason(s) resulting in rotor blade contact with the tailcone.
- [NTSB MIA94IA217](https://openairdocs.org/ntsb/MIA94IA217.md): Cessna 402C · Ft. Lauderdale, FL · Incident · No injuries · Incident investigation · Final report · Sep 26, 1994 · N63PB · Minor damage
  > The first officer's failure to maintain directional control on landing roll out due to improper use of brakes, resulting in the airplane veering off the runway, and subsequent on-ground collision with a runway light and sign. Contributing to the incident was…
- [NTSB LAX94LA387](https://openairdocs.org/ntsb/LAX94LA387.md): Hughes 369D · Pacific Ocean (Pacific Ocean) · Accident · Serious injuries · Limited investigation · Final report · Sep 24, 1994 · N58400 · Destroyed
  > failure of the helicopter's main rotor pitch change link (control rod). The helicopter was not recovered and the Safety Board was unable to determine the pitch change link's failure mode.
- [NTSB LAX94FA367](https://openairdocs.org/ntsb/LAX94FA367.md): Alon A2 · Orland, CA · Accident · 1 fatal · Field investigation · Final report · Sep 17, 1994 · N37698 · Destroyed
  > the pilot's intentional performance of an aerobatic maneuver which overloaded the outboard portion of the left wing and caused it to fail. Factors which contributed to the accident were the pilot's overconfidence in his ability to perform the maneuver and his…
- [NTSB CHI94LA319](https://openairdocs.org/ntsb/CHI94LA319.md): Snider CP328 Super Emeraude · Painton, MO · Accident · Serious injuries · Limited investigation · Final report · Sep 10, 1994 · N90484 · Substantial damage
  > in flight delamination and subsequent failure of the hand carved wooden propeller.
- [NTSB LAX94LA356](https://openairdocs.org/ntsb/LAX94LA356.md): Hawker Siddeley HS-125-700A · Reno, NV · Accident · No injuries · Limited investigation · Final report · Sep 8, 1994 · N311NW · Substantial damage
  > the rupture of fuel and hydraulic lines and the fuselage fuel tank, by tire pieces during the tire blow-out sequence.
- [NTSB DCA94MA076](https://openairdocs.org/ntsb/DCA94MA076.md): Boeing B-737-300 · Aliquippa, PA · Accident · 132 fatal · Class 1 · Major · Final report · Sep 8, 1994 · N513AU · Destroyed
  > A loss of control of the airplane resulting from the movement of the rudder surface to its blowdown limit. The rudder surface most likely deflected in a direction opposite to that commanded by the pilots as a result of a jam of the main rudder power control…

Next page: https://openairdocs.org/ntsb.md?occurrence=130&page=36

## 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=35

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