# NTSB investigations: Loss of engine power(partial) - 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 2 of 29 · 1,408 cases

## Cases, newest first

- [NTSB NYC06LA165](https://openairdocs.org/ntsb/NYC06LA165.md): North American Navion · Sturgis, KY · Accident · 1 fatal · Limited investigation · Final report · Jul 2, 2006 · N91686 · Substantial damage
  > A total loss of engine power due to a leaking fuel pump gasket.
- [NTSB DFW06LA172](https://openairdocs.org/ntsb/DFW06LA172.md): Piper PA-32-300 · Midland, TX · Accident · No injuries · Limited investigation · Final report · Jun 29, 2006 · N70746 · Substantial damage
  > The partial loss of engine power as result of the maintenance personnel's failure to comply with a manufacture's Service Bulletin (SB). A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB DFW06IA171](https://openairdocs.org/ntsb/DFW06IA171.md): Mooney M20J · Beaumont, TX · Incident · No injuries · Incident investigation · Final report · Jun 29, 2006 · N5662M · Minor damage
  > The improper installation of the propeller governor by maintenance personnel, which resulted in a partial loss of engine power and subsequent forced landing. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB LAX06CA191](https://openairdocs.org/ntsb/LAX06CA191.md): Piper PA-28R-200 · Alpine, CA · Accident · No injuries · Data collection · Final report · Jun 4, 2006 · N4438T · Substantial damage
  > a loss of engine power due to the aviation maintenance technician's failure to install the correct oil sump quick drain, which resulted in the inadvertent draining of engine oil during flight.
- [NTSB SEA06CA107](https://openairdocs.org/ntsb/SEA06CA107.md): Taplin Avid Flyer · Grants Pass, OR · Accident · No injuries · Data collection · Final report · May 28, 2006 · N537MF · Substantial damage
  > The partial loss of engine power for undertermined reasons, resulting in a forced landing and substantial damage to the airplane. A contributing factor was the transmission wire.
- [NTSB LAX06LA164](https://openairdocs.org/ntsb/LAX06LA164.md): Boeing Stearman E75 · Show Low, AZ · Accident · No injuries · Limited investigation · Final report · May 7, 2006 · N5263N · Substantial damage
  > the collapse of the air intake duct resulted in a loss of engine power. A factor was the uneven terrain in the landing area.
- [NTSB ATL06LA072](https://openairdocs.org/ntsb/ATL06LA072.md): Air Tractor AT-502 · Monroeville, AL · Accident · No injuries · Limited investigation · Final report · Apr 28, 2006 · N1014D · Substantial damage
  > Partial loss of engine power for undetermined reasons, which resulted in a forced landing and subsequent nose over.
- [NTSB NYC06LA089](https://openairdocs.org/ntsb/NYC06LA089.md): Piper PA-28RT-201 · Philadelphia, PA · Accident · No injuries · Limited investigation · Final report · Apr 9, 2006 · N901AV · Substantial damage
  > A fatigue failure of the number 3 cylinder attachment studs, which resulted in a loss of engine power and subsequent forced landing.
- [NTSB ATL06LA060](https://openairdocs.org/ntsb/ATL06LA060.md): Just Highlander · Walhalla, SC · Accident · Serious injuries · Limited investigation · Final report · Apr 2, 2006 · N9085N · Substantial damage
  > The pilot and owner/builders failure to determine the reason for partial loss of engine power resulting in loss of engine power due to fuel system contamination on a subsequent flight.
- [NTSB ATL06LA051](https://openairdocs.org/ntsb/ATL06LA051.md): Eakle R Grandin Jr Talon XP · Auburn, AL · Accident · Serious injuries · Limited investigation · Final report · Mar 12, 2006 · N97GE · Substantial damage
  > The pilot's failure to maintain airspeed which resulted in an inadvertent stall. A factor was the improper maintenance inspection of the engine fuel lines resulting in loss of engine power due to a loose fuel line and subsequent fuel starvation.
- [NTSB DFW06LA078](https://openairdocs.org/ntsb/DFW06LA078.md): Cessna C-37 · Fittstown, OK · Accident · 1 fatal · Limited investigation · Final report · Mar 6, 2006 · N18045 · Destroyed
  > The loss of engine power due to a cracked cylinder head. A contributing factor was the lack of suitable terrain available to the pilot for the forced landing.
- [NTSB MIA06LA056](https://openairdocs.org/ntsb/MIA06LA056.md): Cessna 150L · Fruitland Park, FL · Accident · Serious injuries · Limited investigation · Final report · Feb 18, 2006 · N5262Q · Substantial damage
  > The fatigue failure of the No. 4 cylinder resulting in a loss of engine power and subsequent forced landing.
- [NTSB NYC06LA054](https://openairdocs.org/ntsb/NYC06LA054.md): Cessna 206 · Lexington, KY · Accident · Minor injuries · Limited investigation · Final report · Jan 12, 2006 · N308M · Substantial damage
  > Failure of the throttle cable. Contributing to the accident was unsuitable terrain for a forced landing.
- [NTSB MIA06LA044](https://openairdocs.org/ntsb/MIA06LA044.md): MBB BO-105S · Ponce, PR · Accident · Minor injuries · Limited investigation · Final report · Jan 12, 2006 · N495LF · Substantial damage
  > A loose B-nut on the PC line connecting the power turbine governor (PTGOV) to the fuel control unit (FCU) that created a leak and caused the engine to roll back to an idle condition, causing a low hydraulic system pressure and subsequent control lock. A…
- [NTSB LAX06CA088](https://openairdocs.org/ntsb/LAX06CA088.md): Huntington KIS · Camarillo, CA · Accident · Serious injuries · Data collection · Final report · Jan 10, 2006 · N506RJ · Substantial damage
  > a partial loss of engine power due to the engine's electronic control system reverting to a designed reduced power mode of operation.
- [NTSB LAX06CA035](https://openairdocs.org/ntsb/LAX06CA035.md): Vans RV-4 · Apple Valley, CA · Accident · No injuries · Data collection · Final report · Nov 12, 2005 · N14GK · Substantial damage
  > a partial loss of engine power for undetermined reasons.
- [NTSB NYC06CA012](https://openairdocs.org/ntsb/NYC06CA012.md): Weber Glastar · Summersville, WV · Accident · No injuries · Data collection · Final report · Oct 19, 2005 · N722W · Substantial damage
  > a loss of engine power due to a stuck carburetor float needle.
- [NTSB DFW06CA008](https://openairdocs.org/ntsb/DFW06CA008.md): Cessna 172P · Hitchcock, TX · Accident · Minor injuries · Data collection · Final report · Oct 17, 2005 · N53795 · Substantial damage
  > A loss of engine power due to a cracked cylinder.
- [NTSB CHI06CA002](https://openairdocs.org/ntsb/CHI06CA002.md): Creed RV-4 · Mitchell, SD · Accident · No injuries · Data collection · Final report · Oct 6, 2005 · N149KC · Substantial damage
  > The mechanic's improper installation of the air filter assembly which resulted in foreign debris inside the carburetor. A factor associated with the accident was the rough terrain on which the airplane was landed.
- [NTSB NYC05LA144](https://openairdocs.org/ntsb/NYC05LA144.md): Piper PA-28-180 · Millville, NJ · Accident · Serious injuries · Limited investigation · Final report · Sep 20, 2005 · N6494J · Substantial damage
  > The flight instructor's improper in-flight decision to perform a emergency landing to a runway, with a tailwind, and his failure to maintain airspeed after aborting that landing, which resulted in an inadvertent stall and subsequent impact with terrain.…
- [NTSB DFW05CA246](https://openairdocs.org/ntsb/DFW05CA246.md): Taylorcraft BC12-D · Guion, AR · Accident · No injuries · Data collection · Final report · Sep 20, 2005 · N95006 · Substantial damage
  > The loss of engine power for undetermined reasons. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB ATL05CA162](https://openairdocs.org/ntsb/ATL05CA162.md): Piper PA-34-200 · Greenville, AL · Accident · Serious injuries · Data collection · Final report · Sep 16, 2005 · N287RR · Substantial damage
  > The loss of left engine power due to fuel system contamination and the pilot's failure to follow procedures and his improper use of the throttle and flight controls during the forced landing.
- [NTSB LAX05FA296](https://openairdocs.org/ntsb/LAX05FA296.md): Cessna 152 · Lakewood, CA · Accident · 2 fatal · Field investigation · Final report · Sep 11, 2005 · N6565L · Destroyed
  > the certified flight instructor's failure to maintain an adequate airspeed resulting in a stall and loss of control. Also causal was the engine's loss of partial power due to inadequate maintenance, worn spark plugs, worn pistons, and broken piston rings.
- [NTSB CHI05CA256](https://openairdocs.org/ntsb/CHI05CA256.md): Boeing A75N1 · Ellisville, IL · Accident · No injuries · Data collection · Final report · Sep 7, 2005 · N52551 · Substantial damage
  > The loss of engine power due to the failure of the number four connecting rod. A factor to the accident was the soybean crop.
- [NTSB IAD05LA130](https://openairdocs.org/ntsb/IAD05LA130.md): Cessna 172S · Kutztown, PA · Accident · No injuries · Limited investigation · Final report · Sep 2, 2005 · N972SP · Substantial damage
  > The pilot's failure to attain a proper touchdown point as a result of the airplane's excessive airspeed. A factor was the partial loss of engine power due to a seized exhaust valve.
- [NTSB LAX05CA285](https://openairdocs.org/ntsb/LAX05CA285.md): Bellanca 7ECA · Malibu, CA · Accident · No injuries · Data collection · Final report · Sep 1, 2005 · N2686Z · Substantial damage
  > a partial loss of engine power for undetermined reasons.
- [NTSB DFW05CA225](https://openairdocs.org/ntsb/DFW05CA225.md): Ayres S2R-T15 · Taylor, TX · Accident · No injuries · Data collection · Final report · Aug 31, 2005 · N4010M · Substantial damage
  > The pilot's misjudgement while landing resulting in an overrun. A factor was fluctuating engine power.
- [NTSB DFW05CA207](https://openairdocs.org/ntsb/DFW05CA207.md): Grumman G-164 · Knobel, AR · Accident · No injuries · Data collection · Final report · Aug 9, 2005 · N9041Q · Substantial damage
  > The loss of engine power due to the failure of the #1 cylinder head. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB IAD05LA115](https://openairdocs.org/ntsb/IAD05LA115.md): Cessna 182B · East Moriches, NY · Accident · No injuries · Limited investigation · Final report · Aug 6, 2005 · N2422G · Substantial damage
  > The improper installation of the right magneto harness to the magneto housing by unidentified maintenance personnel, which resulted in arcing, significant wear, and a subsequent loss of engine power. Factors in the accident were the pilot's failure to attain…
- [NTSB DFW05CA186](https://openairdocs.org/ntsb/DFW05CA186.md): Grumman-Schweizer G-164A · Tallulah, LA · Accident · Minor injuries · Data collection · Final report · Jul 21, 2005 · N8891H · Substantial damage
  > The partial loss of engine power as result of the fracture of the number five-cylinder exhaust valve rocker arm mounting boss. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB CHI05LA178](https://openairdocs.org/ntsb/CHI05LA178.md): Cessna 210E · La Gygne, KS · Accident · No injuries · Limited investigation · Final report · Jul 9, 2005 · N4933U · Substantial damage
  > The failure of the throttle control cable which resulted from wear followed by fatigue cracking. A factor associated with the accident was the corn crop which the airplane contacted during the forced landing.
- [NTSB SEA05LA138](https://openairdocs.org/ntsb/SEA05LA138.md): Bell 47G-2A · Oroville, WA · Accident · No injuries · Limited investigation · Final report · Jul 5, 2005 · N38926 · Substantial damage
  > The failure of the throttle cable housing, which permitted the engine's RPM to decay to the idle position. Contributing factors were the trees and the lack of suitable terrain for a forced landing.
- [NTSB IAD05LA090](https://openairdocs.org/ntsb/IAD05LA090.md): Aeronca 11CC · Charlotte, VT · Accident · Serious injuries · Limited investigation · Final report · Jul 3, 2005 · N4337E · Substantial damage
  > The pilot's failure to maintain adequate airspeed, which resulted in an inadvertent stall, and impact with terrain. A factor in the accident was the partial loss of engine power for undetermined reasons.
- [NTSB ATL05LA118](https://openairdocs.org/ntsb/ATL05LA118.md): Piper PA-31P · Fort Payne, AL · Accident · Minor injuries · Limited investigation · Final report · Jun 30, 2005 · N4200N · Substantial damage
  > The loss of engine power due to the failure of the aft clamp connecting the turbocharger compressor outlet to the intercooler ducting which resulted in reduced aircraft performance during takeoff.
- [NTSB ATL05CA102](https://openairdocs.org/ntsb/ATL05CA102.md): Piper PA-28-180 · Luka, MS · Accident · Minor injuries · Data collection · Final report · Jun 18, 2005 · N5TJ · Substantial damage
  > Loss of engine power due to the total failure of the exhaust valve on the number 2 cylinder, and the pilot's misjudgment of speed/distance/altitude which resulted in a overshoot of the runway and subsequent in-flight collision with trees. A factor was the…
- [NTSB LAX05LA214](https://openairdocs.org/ntsb/LAX05LA214.md): Piper PA-28R-200 · Happy Jack, AZ · Accident · No injuries · Limited investigation · Final report · Jun 16, 2005 · N5229T · Substantial damage
  > The fracture/separation of an engine intake valve during cruise flight, which resulted in a partial loss of engine power and a forced landing.
- [NTSB MIA05LA122](https://openairdocs.org/ntsb/MIA05LA122.md): Highsmith Fergy FII B · Chipley, FL · Accident · Serious injuries · Limited investigation · Final report · Jun 12, 2005 · N456MH · Substantial damage
  > The seizing of the rear engine cylinder during takeoff-initial climb, which resulted in a collision with power lines and structural damage to the airplane during the forced landing.
- [NTSB MIA05CA118](https://openairdocs.org/ntsb/MIA05CA118.md): Herbert O. Kellerman 173 RG · Venice, FL · Accident · No injuries · Data collection · Final report · Jun 7, 2005 · N27BK · Substantial damage
  > The owner/pilot mechanic's inadequate maintenance inspection resulting in a partial loss of engine power due to a loose fuel line.
- [NTSB SEA05FA105](https://openairdocs.org/ntsb/SEA05FA105.md): Mitsubishi MU-2B-25 · Hillsboro, OR · Accident · 4 fatal · Field investigation · Final report · May 25, 2005 · N312MA · Substantial damage
  > The pilot's failure to obtain minimum controllable airspeed during the takeoff climb, which resulted in a loss of aircraft control when the left engine lost partial power. A fatigue failure to an oil tube, which resulted in the partial power loss to the left…
- [NTSB ATL05LA084](https://openairdocs.org/ntsb/ATL05LA084.md): de Havilland DH-82-C · Franklin, GA · Accident · Minor injuries · Limited investigation · Final report · May 21, 2005 · N82CQ · Substantial damage
  > The total failure of the left magneto resulting in a partial loss of engine power on initial takeoff climb, forced landing, and in-flight collision with wires and the ground.
- [NTSB LAX05LA173](https://openairdocs.org/ntsb/LAX05LA173.md): Great Lakes 2T-1A-2 · Sonoma, CA · Accident · Minor injuries · Limited investigation · Final report · May 14, 2005 · N765GL · Substantial damage
  > a partial loss of engine power, which resulted from the fuel servo leaking and generating an excessively rich fuel/air mixture. A factor was the owner's failure to comply with a service bulletin.
- [NTSB LAX05LA165](https://openairdocs.org/ntsb/LAX05LA165.md): Grumman G-164C · Willows, CA · Accident · No injuries · Limited investigation · Final report · May 8, 2005 · N6535K · Substantial damage
  > the loss of engine power due to the fractured piston pin boss on the number 5 cylinder.
- [NTSB LAX05LA152](https://openairdocs.org/ntsb/LAX05LA152.md): Grumman G-164A · Yuba City, CA · Accident · No injuries · Limited investigation · Final report · Apr 30, 2005 · N5304 · Substantial damage
  > a partial loss of engine power due to multiple cracks in the number 7 cylinder. The reasons for the cracks were not determined
- [NTSB LAX05LA141](https://openairdocs.org/ntsb/LAX05LA141.md): Bailey Lowing Loadster · Bakersfield, CA · Accident · Serious injuries · Limited investigation · Final report · Apr 20, 2005 · N8058Q · Substantial damage
  > the loss of engine power for undetermined reasons.
- [NTSB MIA05LA093](https://openairdocs.org/ntsb/MIA05LA093.md): Piper PA-28-161 · Groveland, FL · Accident · No injuries · Limited investigation · Final report · Apr 15, 2005 · N270FT · Substantial damage
  > The pilot's poorly planned approach during a precautionary landing following partial loss of engine power resulting in a go-around and subsequent in-flight collision with trees. A contributing factor in the accident was the inadequate maintenance by the…
- [NTSB CHI05CA095](https://openairdocs.org/ntsb/CHI05CA095.md): Cessna 172P · Ann Arbor, MI · Accident · No injuries · Data collection · Final report · Apr 8, 2005 · N777UM · Substantial damage
  > The failure of the carburetor nozzle resulting in loss of engine power and the unsuitable terrain encountered during the forced landing. A factor was the low altitude.
- [NTSB CHI05LA073](https://openairdocs.org/ntsb/CHI05LA073.md): Piper PA-28-140 · Macon, MO · Accident · Serious injuries · Limited investigation · Final report · Feb 25, 2005 · N4468T · Substantial damage
  > The loss of engine power due to failure of the engine exhaust valve. The pilot's inability to maintain clearance from obstacles, the trees, the residence and the pilot's evasive maneuver were factors in the accident.
- [NTSB ATL05FA048](https://openairdocs.org/ntsb/ATL05FA048.md): Cessna T210M · Shallotte, NC · Accident · 1 fatal · Field investigation · Final report · Feb 1, 2005 · C-GVVS · Destroyed
  > The partial loss of engine power for undetermined reasons.
- [NTSB LAX05LA057](https://openairdocs.org/ntsb/LAX05LA057.md): Orr Long-Ez · Yucca Valley, CA · Accident · No injuries · Limited investigation · Final report · Dec 31, 2004 · N321EZ · Substantial damage
  > a loss of engine power due to ignition system failure due to rain water grounding/shorting of the magneto switches.
- [NTSB SEA05LA032](https://openairdocs.org/ntsb/SEA05LA032.md): Aerostar 601 · Hamilton, MT · Accident · No injuries · Limited investigation · Final report · Dec 30, 2004 · N601DF · Destroyed
  > A partial loss of engine power due to the lack of lubrication and subsequent failure of the left engine's right turbocharger for undetermined reasons, and subsequent forced landing after takeoff. A factor was the unsuitable terrain for the forced landing.

Next page: https://openairdocs.org/ntsb.md?occurrence=352&page=3

## 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" = 352)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=352&page=2

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