NTSB CAROL · Event
Event ANC83IA053
Registry · N7864F
FAA Aircraft Registry record.
Make / Model
CESSNA 401
Year of manufacture
1968 · 15 years old at event
Engine
CONT MOTOR TSIO-520-E (300 hp)
Seats / Engines
8 seats · 2 engines
Last airworthiness date
20080905
ADS-B equipped
Yes — Mode-S AAA9BA
Registrant of record
KELLER RUSSELL L
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Factual narrative
THE ACFT RIGHT ENGINE STARTED EMITTING SPARKS FROM THE COWLING DURING NORMAL CRUISE. THE PILOT NOTED A DROP IN MANIFOLD PRESSURE SO HE REDUCED POWER ON THAT ENGINE AND THE SPARKS STOPPED. THE ACFT WAS LANDED AT BETHEL. THE FIRE DEPT. USED A FIRE EXTINGUISHING AGENT ON THE ENGINE. THE DAMAGE WAS MINOR. INSPECTION OF THE RIGHT ENGINE REVEALED A BROKEN BOLT ONTHE EXHAUST CLAMP WHICH SECURED THE EXHAUST PIPE TO THE TURBOCHARGER. THE CLAMP WHICH SECURED THE PIPE TO THE ENGINE NACELLE HAD SLIPPED OFF THE BRACKET. THIS ALLOWED THE PIPE TO SLIP DOWN AND RELEASE HOT EXHAUST GASES INTO THE ENGINE NACELLE. THIS HEATED THE ENGINE EXCESSIVELY AND REMOVED THE WASTE GATE FROM THE OPERATIONAL SYSTEM OF THE ENGINE. THE BROKEN BOLT IS A PART OF THE CLAMP P/N MVT 68637-375M. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1983_ANC83IA053.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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Related research
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Academic papers and agency reports matching this event's aircraft type. Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- NTSB Aircraft Accident Reports 2023 · Accident report
In-Flight Separation of Wings Involving Cessna 401 Pilot Owner
In-flight breakup of a Cessna 401 over Decatur, GA, July 2018. The NTSB determined that fatigue cracking in the lower spar cap propagated to critical length undetected through the inspection program.
- NASA NTRS 2026 · Technical Memorandum (TM)
Assessing National Airspace System Impact of the Hybrid Electric Turboprop Commercial Freighter
The Hybrid Electric Turboprop Commercial Freighter (HETCOF) is a large turboprop aircraft using hybrid electric propulsion designed to reduce cost and emissions for narrowbody cargo operations capable…
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