On October 15, 1986, a Beech K35 (registration N107Q) was involved in an aviation accident near Bakersfield, CA. Investigators recorded the probable cause as: Three cylinders on the right side of the engine were not properly secured during the recent engine overhaul, leading to a fuel pressure line failure and fire. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
An aircraft experienced engine roughness in cruise, leading to a precautionary landing. During touchdown, a fire erupted, later traced to improperly secured cylinders during engine overhaul.
Incident Summary
A flight operating in level cruise at an altitude of 3,500 feet encountered an engine running rough. The pilot executed a precautionary landing. As the aircraft was touching down, tower personnel notified the pilot that the aircraft was on fire. The pilot evacuated the aircraft, and airport fire equipment extinguished the fire.
Investigation Findings
Investigation revealed that the three cylinders on the right side of the engine had not been properly secured during the recent engine overhaul. The fuel pressure line had burned away, redirecting fuel to the inside of the engine cowling. The aircraft had flown a total of three hours since the installation of the overhauled engine.
Probable cause
Three cylinders on the right side of the engine were not properly secured during the recent engine overhaul, leading to a fuel pressure line failure and fire.
What happened in the 15 Oct 1986 Beech K35 accident near Bakersfield, CA?
An aircraft experienced engine roughness in cruise, leading to a precautionary landing. During touchdown, a fire erupted, later traced to improperly secured cylinders during engine overhaul.
What aircraft was involved and where did it happen?
The accident on 15 Oct 1986 involved a Beech K35, registration N107Q, at Bakersfield, CA.
What was the probable cause of the accident?
Three cylinders on the right side of the engine were not properly secured during the recent engine overhaul, leading to a fuel pressure line failure and fire.
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