# 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 1 of 58 · 2,878 cases

## Latest cases

- [NTSB MIA08LA032](https://openairdocs.org/ntsb/MIA08LA032.md): Mooney M20E · Sarasota, FL · Accident · Minor injuries · Limited investigation · Final report · Dec 26, 2007 · N5875Q · Substantial damage
  > A loss of engine power due to contamination in the fuel filter.
- [NTSB DEN08IA044](https://openairdocs.org/ntsb/DEN08IA044.md): Piper PA-46-310P · Aspen, CO · Incident · No injuries · Incident investigation · Final report · Dec 26, 2007 · N47BC · Minor damage
  > The failure of the crankshaft due to fatigue. The fatigue crack initiation was not determined.
- [NTSB LAX08CA033](https://openairdocs.org/ntsb/LAX08CA033.md): Senft/Anderson/salmon C-5 · Tucson, AZ · Accident · Minor injuries · Data collection · Final report · Dec 6, 2007 · N700H · Substantial damage
  > a total loss of engine power due to the failure of the number 3 articulating rod.
- [NTSB NYC08FA053](https://openairdocs.org/ntsb/NYC08FA053.md): Piper PA-28R-200 · Augusta, GA · Accident · 1 fatal · Field investigation · Final report · Dec 5, 2007 · N43274 · Substantial damage
  > A loss of engine power due to the fatigue fracture of the number 2 cylinder attach studs, and the subsequent separation of the number 2 cylinder.
- [NTSB ENG08IA002](https://openairdocs.org/ntsb/ENG08IA002.md): Boeing 737-300 · Greenville, TX · Incident · No injuries · Incident investigation · Final report · Nov 17, 2007 · N676SW · Minor damage
  > A total loss of engine power due to the No. 2 engine experiencing a release of its fan spinner through the fan cowl as a result of an unidentified object striking the spinner, separating it from the fan disk and causing the spinner to be ingested into the fan…
- [NTSB SEA08LA033](https://openairdocs.org/ntsb/SEA08LA033.md): Beech A36 · El Centro, CA · Accident · No injuries · Limited investigation · Final report · Nov 14, 2007 · N435M · Substantial damage
  > The failure of maintenance personnel to properly secure the #2 cylinder through bolts. A contributing factor was the lack of suitable terrain for landing.
- [NTSB LAX08LA027](https://openairdocs.org/ntsb/LAX08LA027.md): Beech A36 · Jean, NV · Accident · No injuries · Limited investigation · Final report · Nov 9, 2007 · N3627B · Substantial damage
  > The loss of engine power as a result of a fatigue failure of the camshaft gear teeth. Contributing to the accident were the dark night lighting conditions and the rough, uneven terrain the airplane encountered during the forced landing.
- [NTSB CHI08CA034](https://openairdocs.org/ntsb/CHI08CA034.md): Gluff, Alan Zenair 200 · Greenwood, IN · Accident · Minor injuries · Data collection · Final report · Nov 4, 2007 · N601AG · Substantial damage
  > The total loss of engine power due to a lubricating system leak for undetermined reasons which resulted in engine seizure, and the unsuitable terrain encountered during the forced landing. Contributing factors were the plowed field and the nose gear failure…
- [NTSB CHI08GA028](https://openairdocs.org/ntsb/CHI08GA028.md): McDonnell Douglas Helicopter 369E · Columbus, OH · Accident · No injuries · Final report · Oct 29, 2007 · N556CP · Substantial damage
  > The inadequate turbine wheel design that led to a turbine airfoil (blade) failure/separation, resulting in the loss of engine power.
- [NTSB LAX08LA008](https://openairdocs.org/ntsb/LAX08LA008.md): Mooney M20F · Alamo, NV · Accident · No injuries · Limited investigation · Final report · Oct 9, 2007 · N9612M · Substantial damage
  > Failure of the number 2 cylinder piston compression ring, which resulted in oil exhaustion and a catastrophic internal engine failure.
- [NTSB CHI08CA005](https://openairdocs.org/ntsb/CHI08CA005.md): Piper PA-18-150 · Hot Springs, AR · Accident · Minor injuries · Data collection · Final report · Oct 4, 2007 · N4157R · Substantial damage
  > The total loss of engine power due to inadequate fuel consumption calculations by the pilot resulting in fuel starvation while maneuvering over a lake at too low altitude for a safe landing. An additional cause was the unsuitable terrain encountered during…
- [NTSB MIA07LA155](https://openairdocs.org/ntsb/MIA07LA155.md): Grumman AA-5A · Worthington, KY · Accident · 1 fatal · Limited investigation · Final report · Sep 22, 2007 · N26442 · Substantial damage
  > The separation of the engine's No. 4 piston from the crankshaft for unidentified reasons and the pilot's continued operation with known equipment deficiencies.
- [NTSB ANC07LA104](https://openairdocs.org/ntsb/ANC07LA104.md): Cessna U206 · McGrath, AK · Accident · Minor injuries · Limited investigation · Final report · Sep 21, 2007 · N8030Z · Substantial damage
  > A separation of the engine connecting rod and engine cylinder due to the loss of a connecting rod nut that was stripped from the rod bolt.
- [NTSB LAX07TA277](https://openairdocs.org/ntsb/LAX07TA277.md): Air Tractor AT-802A · Big Bear City, CA · Accident · No injuries · Final report · Sep 17, 2007 · N91357 · Substantial damage
  > Loss of engine power while maneuvering due to the failure of the number 1 bearing that was caused by electrical discharge damage to the bearing originating from the starter-generator. Contributing to the accident was the operator's failure to follow the…
- [NTSB MIA07CA144](https://openairdocs.org/ntsb/MIA07CA144.md): Cessna 177 · Columbia, SC · Accident · Minor injuries · Data collection · Final report · Sep 9, 2007 · N2353Y · Substantial damage
  > The loss of engine power as a result of the fuel mixture cable failure for undetermined reasons.
- [NTSB MIA07LA140](https://openairdocs.org/ntsb/MIA07LA140.md): Cessna 208B · Cross City, FL · Accident · No injuries · Limited investigation · Final report · Sep 5, 2007 · N702PA · Substantial damage
  > A total loss of engine power during cruise flight due to the fracture and separation of the compressor turbine blades for undetermined reasons. Contributing to the accident was the unsuitable terrain for a forced landing.
- [NTSB CHI07LA287](https://openairdocs.org/ntsb/CHI07LA287.md): Mooney M20K · Fort Wayne, IN · Accident · No injuries · Limited investigation · Final report · Aug 31, 2007 · N231BQ · Substantial damage
  > A total loss of engine power due to the fatigue failure of one of the number two cylinder connecting rod bolts.
- [NTSB LAX07LA268](https://openairdocs.org/ntsb/LAX07LA268.md): Piper PA-28-181 · Lopez Island, WA · Accident · No injuries · Limited investigation · Final report · Aug 25, 2007 · N2939J · Substantial damage
  > A loss of engine power due to the fatigue failure of the left idler gear. Inadequate maintenance installation of the recently installed left magneto was also causal.
- [NTSB ANC07LA085](https://openairdocs.org/ntsb/ANC07LA085.md): Cessna 207 · Fairbanks, AK · Accident · No injuries · Limited investigation · Final report · Aug 17, 2007 · N73463 · Substantial damage
  > The loss of engine power in cruise flight due to a lack of sufficient oil. A factor contributing to the accident was the pilot's improper in-flight decision to continue the flight after noting a loss of oil pressure.
- [NTSB DFW07IA184](https://openairdocs.org/ntsb/DFW07IA184.md): Bell 407 · Gulf of Mexico · Incident · Minor injuries · Incident investigation · Final report · Aug 16, 2007 · N433PH · No damage
  > Fatigue failure of the power turbine outer shaft for undetermined reasons.
- [NTSB CHI07CA276](https://openairdocs.org/ntsb/CHI07CA276.md): Golden Eagle Chief · Hindsboro, IL · Accident · No injuries · Data collection · Final report · Aug 10, 2007 · N68N · Substantial damage
  > The loss of engine power due to the number seven cylinder's separation during cruise and the crops encountered during the forced landing leading to the airplane nosing over.
- [NTSB CHI07CA262](https://openairdocs.org/ntsb/CHI07CA262.md): Beech BE-77 · Bloomington, IN · Accident · No injuries · Data collection · Final report · Aug 8, 2007 · N1837Y · Substantial damage
  > The loss of engine power due to fuel exhaustion as a result of the pilot's inadequate preflight.
- [NTSB NYC07LA183](https://openairdocs.org/ntsb/NYC07LA183.md): Piper Aerostar 601P · Fort Lauderdale, FL · Accident · No injuries · Limited investigation · Final report · Aug 2, 2007 · N60801 · Substantial damage
  > The total loss of power in one engine during approach, due to a fatigue fracture of the crankshaft.
- [NTSB LAX07LA236](https://openairdocs.org/ntsb/LAX07LA236.md): Cessna R172K · Goleta, CA · Accident · Minor injuries · Limited investigation · Final report · Aug 2, 2007 · N458BJ · Substantial damage
  > The oil starvation and failure of the number one piston connecting rod and bearing that was due to the fragmentation of the number 2 main bearing, which then obstructed the engine oil pickup tube and restricted the flow of oil through the engine.
- [NTSB DEN07LA133](https://openairdocs.org/ntsb/DEN07LA133.md): Walker Lancair IV · Sylvan Grove, KS · Accident · Serious injuries · Limited investigation · Final report · Aug 1, 2007 · N7441W · Substantial damage
  > A catastrophic engine failure due to oil starvation when an oil line to the turbocharger wastegate actuator came loose. Contributing factors in this accident were the unsuitable terrain on which to make a forced landing.
- [NTSB MIA07LA130](https://openairdocs.org/ntsb/MIA07LA130.md): Powrachute Pegasus 912M · Suffolk, VA · Accident · Serious injuries · Limited investigation · Final report · Jul 28, 2007 · N44118 · Minor damage
  > The improper installation of the engine oil filter. A factor contributing to the accident was unsuitable terrain for a forced landing.
- [NTSB LAX07LA234](https://openairdocs.org/ntsb/LAX07LA234.md): Piper PA-24-260 · Ramona, CA · Accident · No injuries · Limited investigation · Final report · Jul 27, 2007 · N8637P · Substantial damage
  > A total loss of engine power due to a short circuit between both magneto ground leads. A factor in the accident was the inadequate annual/100-hour maintenance inspection regarding the wires.
- [NTSB LAX07LA238](https://openairdocs.org/ntsb/LAX07LA238.md): de Havilland Beaver DHC-2 MK.1 · Kalispell, MT · Accident · No injuries · Limited investigation · Final report · Jul 24, 2007 · N6784L · Substantial damage
  > A loss of engine power due to the failure of the supercharger impeller bushing, which allowed raw oil to enter the induction system.
- [NTSB CHI07LA219](https://openairdocs.org/ntsb/CHI07LA219.md): North American T-6G · Fond Du Lac, WI · Accident · No injuries · Limited investigation · Final report · Jul 23, 2007 · N22NA · Substantial damage
  > The loss of engine power due to the failure of the engine's master connecting rod which resulted in the forced landing. The road sign was a factor.
- [NTSB DEN07LA122](https://openairdocs.org/ntsb/DEN07LA122.md): Beech C-45H · Longmont, CO · Accident · Serious injuries · Limited investigation · Final report · Jul 19, 2007 · N9562Z · Destroyed
  > The instructor pilot's improper preflight in that he failed to close the rocker box recovery system drain valves, resulting in a total loss of lubricating oil and subsequent oil starvation to both engines. A contributing factor was the trees.
- [NTSB SEA07FA195](https://openairdocs.org/ntsb/SEA07FA195.md): Yakovlev YAK-55M · Everett, WA · Accident · 1 fatal · Field investigation · Final report · Jul 14, 2007 · N55NH · Destroyed
  > The pilot's inadequate preflight planning and inspection that led to oil exhaustion and a catastrophic engine failure. Also causal was the pilot's attempted operation of an aircraft with known deficiencies, and the lack of a current airworthiness inspection.…
- [NTSB LAX07LA218](https://openairdocs.org/ntsb/LAX07LA218.md): Clement Zenith Zodiac CH601 · Rosamond, CA · Accident · Minor injuries · Limited investigation · Final report · Jul 14, 2007 · N239PC · Substantial damage
  > A total loss of engine power during approach due to the improper idle screw/stop adjustment. A factor contributing to the accident was deteriorated fuel.
- [NTSB SEA07LA204](https://openairdocs.org/ntsb/SEA07LA204.md): Air Tractor AT-502A · Chowchilla, CA · Accident · No injuries · Limited investigation · Final report · Jun 30, 2007 · N6176L · Substantial damage
  > The loss of engine power as the result of the fatigue fracture and separation of two compressor turbine blades, which induced a catastrophic failure of the compressor turbine section.
- [NTSB LAX07LA197](https://openairdocs.org/ntsb/LAX07LA197.md): Evenson Roger J Vans RV-9A · Tucson, AZ · Accident · Minor injuries · Limited investigation · Final report · Jun 29, 2007 · N394RS · Substantial damage
  > the loss of engine power during takeoff-initial climb, which resulted from the owner/builder's improper adjustment of the supercharger waste gate valve, that resulted in the failure of the waste gate servo motor.
- [NTSB NYC07LA146](https://openairdocs.org/ntsb/NYC07LA146.md): Bell-Carson 47G-Super C-4 · Wall Township, NJ · Accident · No injuries · Limited investigation · Final report · Jun 20, 2007 · N867Z · Substantial damage
  > A total failure of the number one connecting rod during approach.
- [NTSB SEA07LA172](https://openairdocs.org/ntsb/SEA07LA172.md): Cessna 177RG · Oceanside, CA · Accident · Minor injuries · Limited investigation · Final report · Jun 19, 2007 · N2144Q · Substantial damage
  > The improper installation of the propeller governor (gasket) by maintenance personnel, which resulted in a oil exhaustion induced total loss of engine power. Contributing to the accident was the lack of suitable terrain for the forced landing.
- [NTSB SEA07LA160](https://openairdocs.org/ntsb/SEA07LA160.md): Cessna 182D · Phoenix, AZ · Accident · No injuries · Limited investigation · Final report · Jun 18, 2007 · N807X · Substantial damage
  > The loss of engine power due to the intake manifold disconnection to the engine's cylinders on the left side.
- [NTSB SEA07CA144](https://openairdocs.org/ntsb/SEA07CA144.md): Billings/Humbyrd Thorpe T-18 · Corona, CA · Accident · No injuries · Data collection · Final report · Jun 4, 2007 · N45BH · Substantial damage
  > A loss of engine power during the initial climb due to a fuel system malfunction. The pilot's incorrect maintenance modification to the fuel system and continued operation with known deficiencies were factors.
- [NTSB LAX07CA181](https://openairdocs.org/ntsb/LAX07CA181.md): Dutton Air Camper · Atwater, CA · Accident · No injuries · Data collection · Final report · Jun 1, 2007 · N86698 · Substantial damage
  > a loss of power due to the failure of the number 2 connecting rod.
- [NTSB CHI07LA154](https://openairdocs.org/ntsb/CHI07LA154.md): Cessna 421 · Chesterfield, MO · Accident · Serious injuries · Limited investigation · Final report · May 23, 2007 · N4082L · Substantial damage
  > Maintenance personnel failed to comply with an Airworthiness Directive which resulted in the total failure of the starter adapter gear teeth and the crankshaft gear teeth and the pilot failed to follow the published emergency procedures. Contributing to the…
- [NTSB ATL07CA084](https://openairdocs.org/ntsb/ATL07CA084.md): Rotorway Rotorway Intl 162F · Argyle, NY · Accident · No injuries · Data collection · Final report · May 21, 2007 · N636PB · Substantial damage
  > The loss of engine power due to the sticking of the exhaust valves that resulted from carbon buildup.
- [NTSB NYC07FA119](https://openairdocs.org/ntsb/NYC07FA119.md): Beech BE-A55 · Dunkirk, NY · Accident · 3 fatal · Field investigation · Final report · May 17, 2007 · C-FDJP · Substantial damage
  > The pilot's failure to maintain aircraft control during a single-engine missed approach, after the failure of the airplane's left engine aft-top counterweight assembly. Contributing to the accident were instrument meteorological conditions due to clouds.
- [NTSB LAX07CA146](https://openairdocs.org/ntsb/LAX07CA146.md): Cessna 177RG · Perris, CA · Accident · Minor injuries · Data collection · Final report · Apr 30, 2007 · N177R · Substantial damage
  > a loss of engine power while in cruise flight due to an improperly installed magneto housing by the owner/pilot.
- [NTSB CHI07LA127](https://openairdocs.org/ntsb/CHI07LA127.md): Beech S35 · Brookfield, MO · Accident · No injuries · Limited investigation · Final report · Apr 30, 2007 · N8820M · Substantial damage
  > Improper maintenance by maintenance personnel by not properly torquing cylinder thru-bolts. The loose stud nuts which resulted in the separation of the cylinder and the crop and ditch were factors.
- [NTSB DFW07CA098](https://openairdocs.org/ntsb/DFW07CA098.md): Flagg Kitfox IV · Centerville, TX · Accident · No injuries · Data collection · Final report · Apr 28, 2007 · N674F · Substantial damage
  > The loss of engine power due to the failure of the air induction ducting. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB MIA07LA089](https://openairdocs.org/ntsb/MIA07LA089.md): Hiller UH-12C · Plant City, FL · Accident · Serious injuries · Limited investigation · Final report · Apr 27, 2007 · N92993 · Substantial damage
  > The loss of engine power due to a magneto impulse coupling failure for undetermined reasons.
- [NTSB MIA07LA085](https://openairdocs.org/ntsb/MIA07LA085.md): Smith Carter A Wheeler Exp 2000 · Stuart, FL · Accident · Minor injuries · Limited investigation · Final report · Apr 21, 2007 · N37CA · Substantial damage
  > Contamination of the fuel system which resulted in a loss of engine power. Contributing to the accident was unsuitable terrain for a forced landing.
- [NTSB SEA07LA108](https://openairdocs.org/ntsb/SEA07LA108.md): Hughes 369D · Kahuku, HI · Accident · Minor injuries · Limited investigation · Final report · Apr 20, 2007 · N911FT · Substantial damage
  > Fatigue cracking of the oil line from the engine gearbox to the oil pressure gauge, which resulted in loss of engine lubricating oil, leading to seizure of the power turbine.
- [NTSB CHI07LA121](https://openairdocs.org/ntsb/CHI07LA121.md): Mooney M20C · Sidney, OH · Accident · Minor injuries · Limited investigation · Final report · Apr 16, 2007 · N3529H · Substantial damage
  > The total loss of engine power during initial climb due to oil starvation as a result of improper maintenance. The fixed base operator's failure to advise the pilot that the engine had been operated without oil in the engine and soft terrain were factors.
- [NTSB SEA07LA095](https://openairdocs.org/ntsb/SEA07LA095.md): Diemert/Rotorway Exec 162 F · Roseburg, OR · Accident · No injuries · Limited investigation · Final report · Apr 8, 2007 · N173ST · Substantial damage
  > a total loss of engine power due to the failure of the primary and secondary electronic control units (ECU's) within the engine's Fully Automated Digital Electronic Control.

Next page: https://openairdocs.org/ntsb.md?occurrence=351&page=2

## 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

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