NTSB CAROL · Event
Event LAX98LA067
Aircraft involved
Probable cause & findings
The failure of maintenance personnel to adequately inspect the aircraft during an annual inspection to detect a chafed and leaking engine fuel supply line.
Factual narrative
On January 3, 1998, at 1635 hours Pacific standard time, a Cessna 210, N9406X, was substantially damaged when it collided with a telephone pole and two cars during an off-airport, emergency landing at Compton, California. The private pilot and one passenger received minor injuries. Visual meteorological conditions prevailed for the personal flight which originated at Long Beach at 1627. The pilot reported that the engine started "popping" and lost power while at 1,500 feet agl on approach to the Compton airport. He did not have sufficient engine power to reach the runway and landed on the city street about 2 miles east of the airport. Examination of the aircraft by the Safety Board revealed an abraded solid aluminum fuel line between the fuel selector valve and the engine. When the fuel selector valve was turned on, a knife-shaped stream of fuel emanated from the line. When viewed with an inspection mirror, the abraded area appeared V-shaped (grooved) and there was a hole approximately 1/16-inch diameter though the wall of the tube at the deepest part of the groove. Dried, crusty fuel stains were present on the fuel line over a distance of approximately 2 inches. The line was under the floor of the cabin, forward of the right front passenger seat, and aft of the firewall. Adjacent to the area of the leak there was a BNC-type antenna connector on an unused marker beacon antenna mounted on the lower fuselage. The pilot involved in the accident had recently purchased the aircraft. An annual and pre-buy inspection was performed on the aircraft 2.6 months prior to the accident. According to the hangar proprietor, the aircraft had leaked fuel onto the hangar floor since some time before the inspection. The previous owner of the aircraft turned the fuel off at the fuel selector valve to stop the leak. Following loss of engine power, an emergency off-airport landing was made on a city street. Examination of the aircraft revealed an abraded solid aluminum fuel line between the fuel selector valve and the engine. When the fuel selector valve was turned on, a knife-shaped stream of fuel emanated from the line. When viewed with an inspection mirror, the abraded area appeared V-shaped (grooved) and there was a hole approximately 1/16-inch diameter though the wall of the tube at the deepest part of the groove. Dried, crusty fuel stains were present on the fuel line over a distance of approximately 2 inches. Adjacent to the area of the leak there was a BNC-type antenna connector on an unused marker beacon antenna mounted on the lower fuselage. An annual and pre-buy inspection was performed on the aircraft 2.6 months prior to the accident. The hangar proprietor reported that the aircraft had leaked fuel onto the hangar floor since some time before the inspection, and the aircraft's previous owner had turned off the fuel selector to stop the leaking. The aircraft had flown approximately 10 hours since the inspection. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1998_LAX98LA067.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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Related research
What the literature says.
Academic papers and agency reports matching this event's aircraft type or causal vocabulary (maintenance). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- NASA NTRS 2020 · Technical Memorandum (TM)
Evaluation Issues for a Flight Deck Interface; CAST SE-210 Output 2: Report 4 of 6
This report is part of a series of reports that addresses flight deck design and evaluation, written as a response to loss of control accidents.
- Embry-Riddle Scholarly Commons 2026 · Journal article (IJAAA)
From Reactive to Predictive: A hybrid Trust-Mediated Adoption Framework for Data-Driven Maintenance in Distributed-Authority Aviation Environments
Modern aviation maintenance operates within increasingly data-intensive technological environments, yet the operational integration of predictive maintenance into routine decision-making remains incon…
- Semantic Scholar 2025 · Article (Applied Sciences)
Decision-Making Framework for Aviation Safety in Predictive Maintenance Strategies
The implementation of predictive maintenance (PM) in aviation presents unique challenges due to strict safety requirements, complex operational environments, and regulatory constraints.
- Embry-Riddle Scholarly Commons 2024 · Journal article (JAAER)
Low-Resource Automatic Speech Recognition Domain Adaptation – A Case-Study in Aviation Maintenance
With timeliness and efficiency being critical in the aviation maintenance industry, the need has been growing for smart technological solutions that optimize and streamline the different underlying ta…
- Embry-Riddle Scholarly Commons 2024 · Journal article (JAAER)
A New Trajectory in UAV Safety: Leveraging Reinforcement Learning for Distance Maintenance Under Wind Variations
In the field of aviation, safety is a critical cornerstone, and the operation of Unmanned Aerial Vehicle (UAV) systems is deeply connected with this principle.
- Embry-Riddle Scholarly Commons 2024 · Journal article (IJAAA)
Just Culture in Aviation: A Metaphorical Study on Aircraft Maintenance Students
Just Culture, a sub-dimension of safety culture, has been a prominent and debated topic in aviation safety in recent years.
Browse the full corpus — academia portal ↗