# 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 16 of 58 · 2,878 cases

## Cases, newest first

- [NTSB LAX97LA247](https://openairdocs.org/ntsb/LAX97LA247.md): Sikorsky S-58T · Page, AZ · Accident · No injuries · Limited investigation · Final report · Jul 18, 1997 · N47B · Substantial damage
  > an engine failure resulting from the fracture of two power turbine blades, which had been previously subjected to a hot or hung start.
- [NTSB ATL97LA104](https://openairdocs.org/ntsb/ATL97LA104.md): Cessna 177RG · Knoxville, TN · Accident · No injuries · Limited investigation · Final report · Jul 16, 1997 · N52120 · Substantial damage
  > the pilot's inadequate preflight by failing to ensure the oil filler cap was secured during his preflight inspection, and loss of engine oil (oil exhaustion), which resulted in subsequent engine failure. A factor relating to the accident was: the lack of…
- [NTSB LAX97LA242](https://openairdocs.org/ntsb/LAX97LA242.md): Cessna 180K · Lake Mead, NV · Accident · Minor injuries · Limited investigation · Final report · Jul 15, 1997 · N2914K · Substantial damage
  > Failure of the number 4 piston for undetermined reasons.
- [NTSB ANC97FA097](https://openairdocs.org/ntsb/ANC97FA097.md): Piper PA-32 · Skagway, AK · Accident · 4 fatal · Field investigation · Final report · Jul 4, 1997 · N15199 · Destroyed
  > jamming/failure of the left magneto impulse coupling, which stopped rotation of the magneto gear, and resulted in subsequent shearing of the accessory intermediate idler gear. Factors relating to the accident were: the lack of suitable terrain for a forced…
- [NTSB ATL97LA091](https://openairdocs.org/ntsb/ATL97LA091.md): Beech E50 · Tullahoma, TN · Accident · Serious injuries · Limited investigation · Final report · Jun 28, 1997 · N4265R · Substantial damage
  > improper operation of the engine that produced internal damage, and improper servicing of the airplane by the owner/pilot mechanic that resulted in the subsequent mechanical failure of the engine crankshaft counterweight. Contributing to the accident was the…
- [NTSB LAX97IA209](https://openairdocs.org/ntsb/LAX97IA209.md): McDonnell Douglas MD-83 · Las Vegas, NV · Incident · No injuries · Incident investigation · Final report · Jun 18, 1997 · N875RA · Minor damage
  > the maintenance/overhaul facility's improper repair, which led to obstructed oil supply hole(s) at the #5 bearing inner race, then oil starvation and subsequent uncontained engine failure.
- [NTSB FTW97LA223](https://openairdocs.org/ntsb/FTW97LA223.md): Air Tractor AT-400A · Black Oak, AR · Accident · Minor injuries · Limited investigation · Final report · Jun 13, 1997 · N3161J · Destroyed
  > The loss of engine power due to compressor turbine blade failure. A factor was the lack of suitable terrain for the forced landing.
- [NTSB ATL97LA084](https://openairdocs.org/ntsb/ATL97LA084.md): Piper PA-28-180 · Columbus, MS · Accident · No injuries · Limited investigation · Final report · Jun 5, 1997 · N7581W · Substantial damage
  > inadequate maintenance/inspection and subsequent corrosion of the air filter, which resulted in pieces of the air filter to block the intake to the carburetor and result in loss of engine power. A factor relating to the accident was: failure of maintenance…
- [NTSB ANC97LA084](https://openairdocs.org/ntsb/ANC97LA084.md): Anderson Kitfox IV-1200 · Fairbanks, AK · Accident · No injuries · Limited investigation · Final report · Jun 5, 1997 · N85TA · Substantial damage
  > a seized crankshaft connecting rod bearing. A factor relating to the acciden was: the lack of suitable terrain for an emergency landing.
- [NTSB FTW97LA202](https://openairdocs.org/ntsb/FTW97LA202.md): Piper PA-25-235 · Lamar, CO · Accident · No injuries · Limited investigation · Final report · May 27, 1997 · N4829Y · Substantial damage
  > Failure of the left magneto and crank shaft idler drive gears. Factors were failure to perform a 100 hour inspection and unsuitable terrain for a forced landing.
- [NTSB CHI97LA145](https://openairdocs.org/ntsb/CHI97LA145.md): Ercoupe 415-G · Colusa, IL · Accident · Minor injuries · Limited investigation · Final report · May 24, 1997 · N94415 · Substantial damage
  > improper installation of the rocker arm assembly by maintenance personnel which led to the failure of the rocker arm. A factor was the soft terrain.
- [NTSB LAX97LA192](https://openairdocs.org/ntsb/LAX97LA192.md): Crosby GEE BEE Sportster · Watsonville, CA · Accident · Minor injuries · Limited investigation · Final report · May 23, 1997 · N11044 · Substantial damage
  > an unknown failure of the engine oil system, which resulted in loss of oil and a seized engine.
- [NTSB MIA97LA174](https://openairdocs.org/ntsb/MIA97LA174.md): Convair CV-240 · San Juan, PR · Accident · No injuries · Limited investigation · Final report · May 22, 1997 · N355T · Destroyed
  > failure of the aft master rod in the right engine, and failure of the front master rod bearing in the left engine, which resulted in a forced landing on a beach and a subsequent encounter with ocean water.
- [NTSB CHI97LA143](https://openairdocs.org/ntsb/CHI97LA143.md): Cessna 140 · Fulton, MO · Accident · No injuries · Limited investigation · Final report · May 22, 1997 · N76122 · Substantial damage
  > a malfunction of the engine's carburetor that was associated with a spalled carburetor float fulcrum pin which resulted in fuel starvation.
- [NTSB LAX97LA176](https://openairdocs.org/ntsb/LAX97LA176.md): Hughes 369D · Puako, HI · Accident · 2 fatal · Limited investigation · Final report · May 11, 1997 · N5105N · Destroyed
  > erosion of second stage stator vanes, inadequate maintenance inspection for the erosion, and subsequent fatigue failure of a stator vane, which resulted in loss of engine power and a forced landing on mountainous/hilly terrain. Also causal was: the pilot's…
- [NTSB FTW97LA189](https://openairdocs.org/ntsb/FTW97LA189.md): Townsend Kitfox · Greeley, CO · Accident · No injuries · Limited investigation · Final report · May 10, 1997 · N950AW · Substantial damage
  > The engine manufacturer's inadequate quality control by failing to install the harmonic balancer, causing the engine to fail catastrophically. A factor was the lack of suitable terrain on which to make a forced landing.
- [NTSB LAX97LA182](https://openairdocs.org/ntsb/LAX97LA182.md): Ayres S2R-T-34 · Tonopah, AZ · Accident · No injuries · Limited investigation · Final report · May 8, 1997 · N4011G · Substantial damage
  > the failure of the power turbine due to an overtemperature condition created by an improperly adjusted fuel control. A factor in the accident was the tripped circuit breaker which prevented the wing lights from operating during the forced night landing.
- [NTSB CHI97IA127](https://openairdocs.org/ntsb/CHI97IA127.md): Cessna T210 · Winona, MN · Incident · No injuries · Incident investigation · Final report · May 8, 1997 · N7398M · No damage
  > Loss of engine power due to improper maintenance installation.
- [NTSB ANC97LA068](https://openairdocs.org/ntsb/ANC97LA068.md): Hammer Avid Flyer · Chitina, AK · Accident · No injuries · Limited investigation · Final report · May 4, 1997 · N525BB · Substantial damage
  > improper overhaul of the engine, which resulted in a seized piston and resultant loss of engine power. Rough terrain in the emergency landing area was a related factor.
- [NTSB FTW97LA170](https://openairdocs.org/ntsb/FTW97LA170.md): Ayres S2R-G6 · El Dorado, AR · Accident · No injuries · Limited investigation · Final report · Apr 29, 1997 · N31575 · Substantial damage
  > The pilot misjudging his altitude above the airport, resulting in not attaining the proper touchdown point. A factor was the separation of teeth from the aft gear of the spur gear assembly, which resulted in the interruption of fuel.
- [NTSB LAX97IA170](https://openairdocs.org/ntsb/LAX97IA170.md): McDonnell Douglas MD-82 · Tucson, AZ · Incident · No injuries · Incident investigation · Final report · Apr 28, 1997 · N470AA · Minor damage
  > an undetermined failure in the #1 (left) engine turbine assembly, which resulted in a fracture of the first stage nozzle guide vane (NGV) and subsequent damage to the turbine blades.
- [NTSB MIA97LA144](https://openairdocs.org/ntsb/MIA97LA144.md): Stinson 108-1 · Smithfield, NC · Accident · No injuries · Limited investigation · Final report · Apr 19, 1997 · N9063K · Substantial damage
  > a fracture in the crankshaft, which resulted in a total loss of engine power, a forced landing, and a nose over.
- [NTSB FTW97LA169](https://openairdocs.org/ntsb/FTW97LA169.md): Air Tractor AT-400 · Fluvanna, TX · Accident · No injuries · Limited investigation · Final report · Apr 19, 1997 · N73127 · Substantial damage
  > The loss of engine power due to the failure of the reduction gear box. A factor was the lack of suitable terrain for the forced landing.
- [NTSB CHI97LA105](https://openairdocs.org/ntsb/CHI97LA105.md): Piper PA-24 · Elk Falls, KS · Accident · No injuries · Limited investigation · Final report · Apr 12, 1997 · N8739P · Substantial damage
  > fracture of the fuel selector assembly which resulted in fuel starvation.
- [NTSB ANC97LA052](https://openairdocs.org/ntsb/ANC97LA052.md): Piper PA-28-140 · Port Alsworth, AK · Accident · No injuries · Limited investigation · Final report · Apr 10, 1997 · N6472R · Substantial damage
  > loss of engine power, due to failure of the number 2 connecting rod assembly (rod, bearing, & bolts). The lack of suitable terrain for a forced landing was a related factor.
- [NTSB MIA97LA123](https://openairdocs.org/ntsb/MIA97LA123.md): Cumberland Skybolt · Smithfield, NC · Accident · No injuries · Limited investigation · Final report · Apr 8, 1997 · N4TZ · Substantial damage
  > Installation by a student mechanic of a counterweight retaining washer that did not meet engine manufacturers specifications resulting in partial separation of the counterweight, failure of the No.5 connecting rod adjacent to the counterweight, and seizure of…
- [NTSB LAX97LA146](https://openairdocs.org/ntsb/LAX97LA146.md): Cessna 170B · Furnace Creek, CA · Accident · Minor injuries · Limited investigation · Final report · Apr 5, 1997 · N2294D · Substantial damage
  > Fuel starvation resulting from disconnection of the fuel selector valve. Factors which contributed to the accident were the pilot's intentional operation with known airplane deficiencies and the rough terrain.
- [NTSB IAD97LA061](https://openairdocs.org/ntsb/IAD97LA061.md): Theis Quickie · Fostoria, OH · Accident · Minor injuries · Limited investigation · Final report · Apr 2, 1997 · N53ET · Substantial damage
  > a disconnect of electrical wires to the engine ignition, which resulted in loss of engine power and a forced landing. Factors relating to the accident were: the lack of suitable terrain for a forced landing, and the wheat (crop) that was encountered during…
- [NTSB CHI97LA097](https://openairdocs.org/ntsb/CHI97LA097.md): Piper PA-28-235 · Des Moines, IA · Accident · No injuries · Limited investigation · Final report · Apr 2, 1997 · N9004W · Substantial damage
  > oil contamination and starvation due to the inadequate maintenance inspection of the pilot/owner. Factors included the deterioration of the piston pin plug, the connecting rod failure, and the unsuitable terrain for landing.
- [NTSB ATL97LA053](https://openairdocs.org/ntsb/ATL97LA053.md): Catchot Hauler · Centerville, AL · Accident · Minor injuries · Limited investigation · Final report · Apr 1, 1997 · N301A · Substantial damage
  > the engine manufacturer's failure to install ballast resistors in the ignition system, which resulted in an electrical short in the dual ignition system and subsequent loss of engine power.
- [NTSB LAX97LA137](https://openairdocs.org/ntsb/LAX97LA137.md): Piper PA-28R-200 · Continental, AZ · Accident · Serious injuries · Limited investigation · Final report · Mar 31, 1997 · N2226T · Substantial damage
  > loss of engine power as a result of detonation in the number 2 cylinder for undetermined reasons. A factor in the accident was the unsuitable nature of the forced landing area.
- [NTSB FTW97LA147](https://openairdocs.org/ntsb/FTW97LA147.md): Beech M35 · Iowa Park, TX · Accident · No injuries · Limited investigation · Final report · Mar 30, 1997 · N223C · Substantial damage
  > The pilot's refueling of the airplane with automotive grade fuel which resulted in engine failure due to detonation. A factor was the lack of suitable terrain for the forced landing.
- [NTSB LAX97LA134](https://openairdocs.org/ntsb/LAX97LA134.md): Bellanca 14-13 · Oroville, CA · Accident · No injuries · Limited investigation · Final report · Mar 28, 1997 · N86851 · Substantial damage
  > a loss of engine power due to connecting rod bolt failure. The reason for the bolt failure was not determined. A contributing factor was the presence of trees in the emergency landing path.
- [NTSB FTW97LA146](https://openairdocs.org/ntsb/FTW97LA146.md): Beech G33 · Bixby, OK · Accident · No injuries · Limited investigation · Final report · Mar 28, 1997 · N166B · Substantial damage
  > failure of a number two connecting rod bolt, possibly from being either over-torqued or under-torqued during installation, and failure of the pilot to see-and-avoid the transmission line, while performing a forced landing.
- [NTSB FTW97LA141](https://openairdocs.org/ntsb/FTW97LA141.md): Piper PA-17 · N Little Rock, AR · Accident · No injuries · Limited investigation · Final report · Mar 26, 1997 · N4802H · Substantial damage
  > loss of engine power due to failure of the crankshaft. A factor relating to the accident was: the lack of suitable terrain for the forced landing.
- [NTSB CHI97LA091](https://openairdocs.org/ntsb/CHI97LA091.md): Cessna 152 · Ft. Leavenworth, KS · Accident · No injuries · Limited investigation · Final report · Mar 26, 1997 · N6359M · Substantial damage
  > fatigue failure and separation of the number 2 cylinder. A factor was the rough terrain.
- [NTSB ANC97LA036](https://openairdocs.org/ntsb/ANC97LA036.md): Williams Kitfox · Wasilla, AK · Accident · Minor injuries · Limited investigation · Final report · Mar 22, 1997 · N9KF · Substantial damage
  > a broken electrical wire, which resulted in an inoperative electrical fuel pump, an overly lean mixture, fuel starvation, and loss of engine power.
- [NTSB IAD97GA054](https://openairdocs.org/ntsb/IAD97GA054.md): Schweizer 269C · Cleveland, OH · Accident · No injuries · Final report · Mar 20, 1997 · N892CP · Substantial damage
  > The engine failure from the rod cap bolt being sheared and the separation of the number two cylinder separating from the crankcase.
- [NTSB FTW97IA128](https://openairdocs.org/ntsb/FTW97IA128.md): McDonnell Douglas DC-9-32 · Houston, TX · Incident · No injuries · Incident investigation · Final report · Mar 18, 1997 · N12508 · Minor damage
  > The failure of company maintenance personnel to perform a proper inspection of the combustion chamber outer case, thus allowing a detectable crack to grow to a length at which the case ruptured.
- [NTSB LAX97LA121](https://openairdocs.org/ntsb/LAX97LA121.md): Grumman G-164B · Winters, CA · Accident · No injuries · Limited investigation · Final report · Mar 11, 1997 · N36265 · Substantial damage
  > the failure of the engine cylinder head assembly due to operational fatigue.
- [NTSB LAX97LA120](https://openairdocs.org/ntsb/LAX97LA120.md): McDonnell Douglas MD 369HS · Pacific Ocean (Pacific Ocean) · Accident · No injuries · Limited investigation · Final report · Mar 11, 1997 · N95MS · Destroyed
  > A loss of engine power due to a deteriorated compressor air seal, which resulted from inadequate maintenance inspection of the helicopter to detect corrosion in the compressor case while being operated in a marine environment.
- [NTSB CHI97LA085](https://openairdocs.org/ntsb/CHI97LA085.md): Cessna 172 · Marquette, MI · Accident · Minor injuries · Limited investigation · Final report · Mar 11, 1997 · N171AS · Substantial damage
  > multiple oil leaks in the engine lubrication system. Factors were the disconnected wet vacuum pump line and the oil exhaustion.
- [NTSB ATL97LA045](https://openairdocs.org/ntsb/ATL97LA045.md): Bellanca 17-30 · Aikens, SC · Accident · Minor injuries · Limited investigation · Final report · Mar 5, 1997 · N7312V · Substantial damage
  > excessive wear of the fuel metering unit/shaft, which resulted in a fuel leak and premature exhaustion of the fuel supply.
- [NTSB MIA97LA093](https://openairdocs.org/ntsb/MIA97LA093.md): Beech E35 · Nashville, GA · Accident · Serious injuries · Limited investigation · Final report · Mar 4, 1997 · N3257C · Substantial damage
  > a stuck (jammed) fuel selector valve, due to corrosion from a fuel drain spring, which resulted in fuel starvation, loss of engine power, a forced landing, and subsequent impact with trees. A factor relating to the accident was: the pilot's inadequate…
- [NTSB FTW97LA113](https://openairdocs.org/ntsb/FTW97LA113.md): Piper PA-28R-200 · Thibodaux, LA · Accident · No injuries · Limited investigation · Final report · Mar 4, 1997 · N2654T · Substantial damage
  > The failure of maintenance personnel to comply with an airworthiness directive which specified the correct type of oil quick drain valve for this airplane, the installation of an incorrect oil quick drain valve by maintenance personnel, and the subsequent…
- [NTSB LAX97LA116](https://openairdocs.org/ntsb/LAX97LA116.md): Beech J35 · Morristown, AZ · Accident · Serious injuries · Limited investigation · Final report · Mar 3, 1997 · N39W · Destroyed
  > failure of the crankshaft due to improper inspection/overhaul procedures.
- [NTSB LAX97LA114](https://openairdocs.org/ntsb/LAX97LA114.md): Hoac Austria DV-20 · Galt, CA · Accident · No injuries · Limited investigation · Final report · Feb 26, 1997 · N194DV · Substantial damage
  > a disconnect of a fuel line fitting, due to the manufacturer's inadequate design and/or lack of adequate installation procedure for replacement of the fuel filter; which resulted in fuel starvation, loss of engine power, and a forced landing. Soft terrain in…
- [NTSB FTW97LA094](https://openairdocs.org/ntsb/FTW97LA094.md): Enstrom F-28C · Lake Jackson, TX · Accident · No injuries · Limited investigation · Final report · Jan 30, 1997 · N51774 · Destroyed
  > The failure of the #2 cylinder for an undetermined reason which resulted in an exhaust leak that melted an oil line.
- [NTSB MIA97LA076](https://openairdocs.org/ntsb/MIA97LA076.md): Cessna U206D · Tampa, FL · Accident · No injuries · Limited investigation · Final report · Jan 27, 1997 · N72074 · Substantial damage
  > Inadequate torque of the cylinder base nuts and through bolt nuts by company maintenance personnel which allowed movement of the crankcase halves. As a result the No. 2 main bearing failed which allowed excessive movement of the crankshaft resulting in…
- [NTSB MIA97LA066](https://openairdocs.org/ntsb/MIA97LA066.md): Cessna 172P · Fort Lauderdale, FL · Accident · Minor injuries · Limited investigation · Final report · Jan 19, 1997 · N136FR · Substantial damage
  > Failure of other maintenance personnel to properly torque a connecting rod bolt and nut for the No. 3 cylinder during engine overhaul.

Next page: https://openairdocs.org/ntsb.md?occurrence=351&page=17

## 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=16

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