# NTSB investigations: Loss of engine power(total) - mech failure/malf

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 11 of 58 · 2,878 cases

## Cases, newest first

- [NTSB CHI00LA173](https://openairdocs.org/ntsb/CHI00LA173.md): Mcclish Funk B85C · Gardner, KS · Accident · Minor injuries · Limited investigation · Final report · Jun 24, 2000 · N24120 · Substantial damage
  > an improper modification to the engine which allowed a bearing to be misaligned, thus restricted the flow of oil through the engine. A factor associated with the accident was the wet field in which the forced landing was made.
- [NTSB LAX00LA237](https://openairdocs.org/ntsb/LAX00LA237.md): Cessna 150M · El Monte, CA · Accident · No injuries · Limited investigation · Final report · Jun 21, 2000 · N704QJ · Substantial damage
  > The inadequate maintenance inspection by other maintenance personnel of the exhaust system that resulted in an eroded muffler that allowed hot gases to impinge on magneto wiring and resulted in loss of engine power. A factor was the soft terrain at the forced…
- [NTSB ATL00LA063](https://openairdocs.org/ntsb/ATL00LA063.md): Hughes 369A · Hampton, GA · Accident · Minor injuries · Limited investigation · Final report · Jun 10, 2000 · N330CM · Substantial damage
  > A total loss of engine power due to foreign object damage to the turbine wheel assembly.
- [NTSB NYC00LA156](https://openairdocs.org/ntsb/NYC00LA156.md): Stewart S-51 · Forty Fort, PA · Accident · Minor injuries · Limited investigation · Final report · Jun 9, 2000 · N51FY · Substantial damage
  > The owner/builder's inadequate design, resulting in total failure of the reduction gear assembly accessory drive shaft.
- [NTSB NYC00IA159](https://openairdocs.org/ntsb/NYC00IA159.md): British Aerospace BAE Jetstream 3201 · Lexington, KY · Incident · No injuries · Incident investigation · Final report · Jun 9, 2000 · N914AE · Minor damage
  > A misalignment between the bull gear and high speed pinion gearshaft, which resulted in fatigue and a subsequent failure of the bull gear.
- [NTSB CHI00LA154](https://openairdocs.org/ntsb/CHI00LA154.md): Piper PA-28-161 · Minneapolis, MN · Accident · Minor injuries · Limited investigation · Final report · Jun 8, 2000 · N8189T · Substantial damage
  > the failure of the engine and the unsuitable terrain for landing encountered by the pilot-in-command. Factors to the accident were the fracture of the crankshaft due to fatigue, excessive main bearing wear, and the swampy terrain condition.
- [NTSB FTW00LA178](https://openairdocs.org/ntsb/FTW00LA178.md): Gulfstream-Schweizer G-164D · Welsh, LA · Accident · Minor injuries · Limited investigation · Final report · Jun 6, 2000 · N8337K · Substantial damage
  > The excessive wear of the reduction gearbox's 1st stage sungear, which resulted in its subsequent fatigue fracture and failure. Factors were the operator not performing the recommended overhaul of the engine, and a lack of suitable terrain for the forced…
- [NTSB FTW00LA168](https://openairdocs.org/ntsb/FTW00LA168.md): Air Tractor AT-301 · Garwood, TX · Accident · 1 fatal · Limited investigation · Final report · Jun 2, 2000 · N8886S · Substantial damage
  > the loss of engine power in cruise flight as a result of the failure of the right magneto. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW00LA159](https://openairdocs.org/ntsb/FTW00LA159.md): Air Tractor AT-301 · Garwood, TX · Accident · Minor injuries · Limited investigation · Final report · May 30, 2000 · N8594S · Substantial damage
  > The failure of the supercharger seal resulting in the loss of engine power. A factor was the lack of suitable terrain for the forced landing.
- [NTSB DEN00LA096](https://openairdocs.org/ntsb/DEN00LA096.md): Eiriavion PIK 20E · Hurricane, UT · Accident · No injuries · Limited investigation · Final report · May 27, 2000 · N35LP · Substantial damage
  > The complete loss of power due to the separation of the magneto ground lead and the rough and unsuitable terrain during the forced landing.
- [NTSB NYC00LA144](https://openairdocs.org/ntsb/NYC00LA144.md): Grumman G-164-A · Toms River, NJ · Accident · No injuries · Limited investigation · Final report · May 25, 2000 · N910X · Substantial damage
  > The failure of the number 9 cylinder connecting rod, due to a primer leak initiation of a partial hydraulic lock. A factor in the accident was the unsuitable terrain, to which the forced landing had to be made.
- [NTSB DEN00IA093](https://openairdocs.org/ntsb/DEN00IA093.md): Piper PA-32R-300 · Erie, CO · Incident · No injuries · Incident investigation · Final report · May 22, 2000 · N424TP · Minor damage
  > Improper installation of cylinders by unknown maintenance personnel who failed to torque the cylinder stud nuts sufficiently.
- [NTSB LAX00LA202](https://openairdocs.org/ntsb/LAX00LA202.md): Beech 35-B33 · Boulder City, NV · Accident · No injuries · Limited investigation · Final report · May 21, 2000 · N9591Y · Substantial damage
  > The fracture and separation of the oil pressure line fitting, which resulted in a loss of oil and an oil starvation failure of the engine.
- [NTSB MIA00LA157](https://openairdocs.org/ntsb/MIA00LA157.md): Navion L-17B · Sharpsburg, GA · Accident · Serious injuries · Limited investigation · Final report · May 14, 2000 · N4903E · Substantial damage
  > Total loss of engine power due to debris (aluminum) from an undetermined source found in the engine-driven fuel pump cavity resulting in the shearing of the hollow pump fuel shaft, and subsequent forced landing to none suitable terrain.
- [NTSB ANC00FA056](https://openairdocs.org/ntsb/ANC00FA056.md): Beech B24R · Anchorage, AK · Accident · No injuries · Field investigation · Final report · May 9, 2000 · N6951R · Substantial damage
  > A fatigue failure of the crankcase through bolt, the separation of number 3 cylinder assembly, and the inadequate maintenance/service of the airplane by company maintenance personnel.
- [NTSB SEA00LA082](https://openairdocs.org/ntsb/SEA00LA082.md): Gulfstream-Schweizer G-164B · Ephrata, WA · Accident · No injuries · Limited investigation · Final report · May 4, 2000 · N8130K · Substantial damage
  > Loss of engine power due to failure of the number three cylinder exhaust valve push rod. Soft terrain encountered during the landing roll-out was a factor.
- [NTSB NYC00LA125](https://openairdocs.org/ntsb/NYC00LA125.md): Beech A36 · Nassawadox, VA · Accident · Serious injuries · Limited investigation · Final report · Apr 30, 2000 · N28JP · Substantial damage
  > A loss of engine power caused by detonation of the #2 piston.
- [NTSB LAX00LA167](https://openairdocs.org/ntsb/LAX00LA167.md): Eurocopter AS-350 BA · Kahului, HI · Accident · No injuries · Limited investigation · Final report · Apr 21, 2000 · N6094H · Substantial damage
  > Failure of the manufacturer to ensure proper quality control of the ignition solenoid housing chamfer area, which allowed for insufficient clamping forces between the ignition solenoid housing and T-fitting, and the eventual separation of the T-fitting, loss…
- [NTSB FTW00LA127](https://openairdocs.org/ntsb/FTW00LA127.md): Mooney M20F · Tomball, TX · Accident · Minor injuries · Limited investigation · Final report · Apr 19, 2000 · N7038V · Substantial damage
  > Engine seizure due to the rupture of an oil cooler line.
- [NTSB MIA00LA132](https://openairdocs.org/ntsb/MIA00LA132.md): Hartline Glastar · Woodstock, AL · Accident · Serious injuries · Limited investigation · Final report · Apr 13, 2000 · N897G · Substantial damage
  > a total engine failure for undetermined reason, resulting in a forced landing and subsequent impact with a tree.
- [NTSB DEN00LA072](https://openairdocs.org/ntsb/DEN00LA072.md): Weatherly 201B · Rocky Ford, CO · Accident · Minor injuries · Limited investigation · Final report · Apr 8, 2000 · N1292W · Substantial damage
  > A total loss of power due to an engine rocker arm failure and soft/unsuitable terrain during the subsequent forced landing.
- [NTSB DEN00IA076](https://openairdocs.org/ntsb/DEN00IA076.md): Beech A60 · Englewood, CO · Incident · No injuries · Incident investigation · Final report · Apr 8, 2000 · N928PT · Minor damage
  > The failure of a number one cylinder connecting rod bolt due to under-torquing during engine major overhaul.
- [NTSB FTW00LA118](https://openairdocs.org/ntsb/FTW00LA118.md): Ayres S2R-G6 · Oak Grove, LA · Accident · No injuries · Limited investigation · Final report · Apr 6, 2000 · N3004V · Substantial damage
  > The failure of a spur gear from the torque sensor gear assembly resulting in a loss of engine power. A factor was the muddy terrain encountered during the forced landing.
- [NTSB LAX00LA153](https://openairdocs.org/ntsb/LAX00LA153.md): Quicksilver Sprint 2 · Fresno, CA · Accident · No injuries · Limited investigation · Final report · Apr 2, 2000 · UNREG · Substantial damage
  > The overheating and seizure of the number 2 piston for undetermined reasons. Also causal was the pilot's failure to maintain an adequate airspeed while maneuvering for a forced landing, which led to an inadvertent stall/mush.
- [NTSB DEN00LA069](https://openairdocs.org/ntsb/DEN00LA069.md): Hawkins & Powers UH-1B · Helper, UT · Accident · Minor injuries · Limited investigation · Final report · Apr 1, 2000 · N50330 · Destroyed
  > Total failure of the number 1 bearing due to lack of lubrication, the oil flow being restricted by a foreign object (epoxy hardener). Factors were trees and the unavailability of suitable terrain for a forced landing.
- [NTSB DEN00LA064](https://openairdocs.org/ntsb/DEN00LA064.md): Johnson Zodiac CH 601 HDS · West Jordan, UT · Accident · Minor injuries · Limited investigation · Final report · Mar 24, 2000 · N984J · Destroyed
  > Total failure of an oil line fitting, resulting in oil exhaustion and subsequent engine seizure. Factors were the poor fitting installation by the pilot, and unsuitable terrain on which to make a forced landing.
- [NTSB DEN00LA066](https://openairdocs.org/ntsb/DEN00LA066.md): Cessna 310C · Cedar City, UT · Accident · No injuries · Limited investigation · Final report · Mar 22, 2000 · N3311H · Substantial damage
  > The failure of the right engine mixture control cable, which prevented the pilot from restarting the engine. Contributing factors were the pilot's failure to follow procedures by not feathering the right propeller, the rough terrain, and the high vegetation.
- [NTSB LAX00FA123](https://openairdocs.org/ntsb/LAX00FA123.md): Boeing 369D · Rough And Ready, CA · Accident · Serious injuries · Field investigation · Final report · Mar 10, 2000 · N8351F · Substantial damage
  > a loss of engine power due to oil starvation. The oil starvation was due to the seizure and failure of the turbine element oil pump shaft, which was caused by debris from a failed bearing seizing the pump. A factor in the accident was the lack of a suitable…
- [NTSB ANC00LA035](https://openairdocs.org/ntsb/ANC00LA035.md): Cessna 207 · Delta Junction, AK · Accident · Minor injuries · Limited investigation · Final report · Mar 10, 2000 · N75703 · Substantial damage
  > The disintegration of the number two piston. A factor in this accident was the subsequent metal fouling of the spark plugs, which resulted in total loss of engine power.
- [NTSB SEA00LA048](https://openairdocs.org/ntsb/SEA00LA048.md): Piper PA-28-180 · Richland, WA · Accident · No injuries · Limited investigation · Final report · Mar 6, 2000 · N8170W · Substantial damage
  > Failure of a connecting rod for undetermined reasons. Factors include unsuitable terrain for the forced landing attempt.
- [NTSB CHI00LA085](https://openairdocs.org/ntsb/CHI00LA085.md): Cessna 210 · Macomb, IL · Accident · Minor injuries · Limited investigation · Final report · Mar 2, 2000 · N9552T · Substantial damage
  > the inadequate maintenance inspection prior to the ferry flight by the pilot/mechanic rated passenger who endorsed the airplane as airworthy, the shift in the number two main bearing left half, and the fractured crankshaft. A factor was the rough/uneven…
- [NTSB LAX00LA111](https://openairdocs.org/ntsb/LAX00LA111.md): Ercoupe 415-C · San Bernardino, CA · Accident · No injuries · Limited investigation · Final report · Feb 27, 2000 · N99590 · Substantial damage
  > the total failure of the engine number 1 cylinder exhaust valve.
- [NTSB DEN00IA052](https://openairdocs.org/ntsb/DEN00IA052.md): Cessna TR182 · Fort Carson, CO · Incident · No injuries · Incident investigation · Final report · Feb 17, 2000 · N155HC · No damage
  > The pilot electing to fly the aircraft with known deficiencies which resulted in a catastrophic engine failure. Factors were a connecting rod failure, and low engine oil level.
- [NTSB LAX00GA102](https://openairdocs.org/ntsb/LAX00GA102.md): Cessna T210M · Elfrida, AZ · Accident · No injuries · Final report · Feb 16, 2000 · N761KC · Substantial damage
  > The company mechanic's failure to correctly install one or more of the crankshaft counterweight pin retaining plate snap rings, specifically ensuring that the snap rings were fully seated in their grooves. This led to the complete separation of the No. 2…
- [NTSB FTW00FA080](https://openairdocs.org/ntsb/FTW00FA080.md): Beech B23 · New Braunfels, TX · Accident · 1 fatal · Field investigation · Final report · Feb 8, 2000 · N4014T · Substantial damage
  > the seizure of the engine while maneuvering due to the oil pressure relief valve plug ball seat becoming contaminated with metal. Contributing factors were the inadequate engine maintenance, and the lack of suitable terrain for the forced landing.
- [NTSB LAX00LA087](https://openairdocs.org/ntsb/LAX00LA087.md): Air Tractor AT-301 · Brawley, CA · Accident · Serious injuries · Limited investigation · Final report · Feb 2, 2000 · N23043 · Destroyed
  > Failure of the engine due to improper installation of the intake and exhaust push rods (components were switched) by unknown maintenance personnel.
- [NTSB FTW00LA074](https://openairdocs.org/ntsb/FTW00LA074.md): Air Tractor AT-401 · Rayville, LA · Accident · No injuries · Limited investigation · Final report · Jan 25, 2000 · N91968 · Substantial damage
  > The loss of engine power due to a crack in the #6 cylinder. A factor was the lack of suitable terrain for the forced landing.
- [NTSB MIA00TA070](https://openairdocs.org/ntsb/MIA00TA070.md): Bell UH-1H · Fort Myers, FL · Accident · Minor injuries · Final report · Jan 20, 2000 · N853M · Substantial damage
  > A total loss of engine power due to turbine wheel fracture resulting from fatigue for undetermined reasons that resulted in an autorotation to unsuitable terrain and hard touchdown and rollover.
- [NTSB FTW00LA068](https://openairdocs.org/ntsb/FTW00LA068.md): Mooney M20K · Tyler, TX · Accident · No injuries · Limited investigation · Final report · Jan 19, 2000 · N1157G · Substantial damage
  > The failure of the crankshaft drive gear as a result of fatigue, which resulted in a forced landing. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW00TA065](https://openairdocs.org/ntsb/FTW00TA065.md): Cessna 150F · Livingston, TX · Accident · No injuries · Final report · Jan 14, 2000 · N6691F · Substantial damage
  > The total loss of engine power resulting from an exhaust valve failure. A factor was the lack of suitable terrain for the forced landing.
- [NTSB LAX00LA074](https://openairdocs.org/ntsb/LAX00LA074.md): Beech F-33A · Mobile, AZ · Accident · No injuries · Limited investigation · Final report · Jan 11, 2000 · N1565A · Substantial damage
  > the manufacturer representative's improper reinstallation of the crankshaft counterweight snap rings which subsequently separated, allowing the crankshaft counterweight to contact the crankshaft resulting in a total power loss of engine power.
- [NTSB FTW00LA061](https://openairdocs.org/ntsb/FTW00LA061.md): Taylorcraft DCO-65 · Sherman, TX · Accident · No injuries · Limited investigation · Final report · Jan 10, 2000 · N48634 · Substantial damage
  > A jammed carburetor needle which resulted in fuel starvation and the subsequent hard forced landing after takeoff. Contributing factors were the fence, trees, and pilot's maneuver to avoid these objects.
- [NTSB FTW00LA057](https://openairdocs.org/ntsb/FTW00LA057.md): Piper PA-46-310P · Odessa, TX · Accident · No injuries · Limited investigation · Final report · Jan 2, 2000 · N4389W · Substantial damage
  > The separation of the #1 piston pin due to fatigue, which resulted in a total loss of engine power. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW00FA046](https://openairdocs.org/ntsb/FTW00FA046.md): Globe GC-1B · Edgewood, TX · Accident · 1 fatal · Field investigation · Final report · Dec 18, 1999 · N80951 · Substantial damage
  > the pilot's failure to maintain aircraft control during a forced landing which resulted in a stall/spin. Contributing factors were the failure of the engine driven fuel pump, the engine manufacturer's use of an inadequate fuel pump which was only intended for…
- [NTSB NYC00LA054](https://openairdocs.org/ntsb/NYC00LA054.md): Mooney 20J · New Milford, CT · Accident · No injuries · Limited investigation · Final report · Dec 17, 1999 · N43TP · Substantial damage
  > Failure of 3 of the 4 connecting rods for an undetermined reason.
- [NTSB LAX00LA047](https://openairdocs.org/ntsb/LAX00LA047.md): Boeing 369E · Taft, CA · Accident · No injuries · Limited investigation · Final report · Nov 30, 1999 · N5238C · Substantial damage
  > The fatigue failure of a second stage compressor vane due to erosion, which resulted in a catastrophic engine failure. An inadequate inspection of the compressor section by company maintenance personnel during the last 300-hour inspection was also causal in…
- [NTSB FTW00LA038](https://openairdocs.org/ntsb/FTW00LA038.md): Beech BE35 · Stillwater, OK · Accident · Serious injuries · Limited investigation · Final report · Nov 28, 1999 · N444D · Substantial damage
  > The total loss of engine power due to the dry-rotted diaphragms in the pressure carburetor. A factor was the hilly terrain encountered during the forced landing.
- [NTSB LAX00LA039](https://openairdocs.org/ntsb/LAX00LA039.md): Piper PA-28-181 · Hilo, HI · Accident · Minor injuries · Limited investigation · Final report · Nov 21, 1999 · N4148X · Destroyed
  > An oil starvation induced failure and seizure of the engine. The reasons for the oil starvation event are undetermined.
- [NTSB LAX00LA034](https://openairdocs.org/ntsb/LAX00LA034.md): Hawker Siddeley Hunter T MK 7 · Mesa, AZ · Accident · Serious injuries · Limited investigation · Final report · Nov 17, 1999 · N576NL · Substantial damage
  > The fatigue failure and separation the stage 3 compressor blades due to corrosion pitting of the blade retention lug bores. A factor in the accident was the failure of the various post military surplus operators of this engine to incorporate the…
- [NTSB FTW00LA033](https://openairdocs.org/ntsb/FTW00LA033.md): Cessna TU206G · Lafayette, LA · Accident · No injuries · Limited investigation · Final report · Nov 17, 1999 · N4803U · Substantial damage
  > The partial blockage of oil within the engine's oil galley resulting in a total power loss. Contributing factors were the failure of the #1 connecting rod, the failure of the pilot to achieve the proper touchdown point during the forced landing, the tailwind…

Next page: https://openairdocs.org/ntsb.md?occurrence=351&page=12

## 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" = 351)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=351&page=11

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