NTSB CAROL · Event
Event ERA22LA146
Aircraft involved
Probable cause & findings
The failure of the fuel pressure indicator line due to corrosion that was not detected during the last annual inspection, which resulted in a total loss of engine power.
Factual narrative
On March 6, 2022, about 1015 eastern standard time, a Beech A35, N764B, was substantially damaged when it was involved in an accident near Waco, Georgia. The commercial pilot and passenger were not injured. The airplane was operated as a Title 14 Code of Federal Regulations Part 91 personal flight. The pilot reported that during the short cross-country flight, the engine began to lose power. As he attempted to regain power, he noticed that the fuel pressure indication fell to zero. The engine stopped producing power and he elected to perform an emergency landing to a road. During the approach to land, the airplane collided with power lines over the road before landing. The pilot exited the airplane and when he opened the engine cowling, he discovered a leaking fuel line. Examination of the airplane by a Federal Aviation Administration inspector revealed structural damage to the vertical stabilizers and fuselage. Examination of the fuel pressure indicator revealed the fuel line connecting the indicator to the carburetor ruptured. When fuel was supplied to the line, it was subsequently observed leaking from the rupture in the line. The line was removed for further examination, and during the examination visible signs of minor corrosion were discovered around the rupture. A review of the Beech 35 shop manual showed that all fuel lines should be inspected for condition during 100-hour or annual inspections. The fuel line that ruptured was made of a soft aluminum alloy material. Review of the engine and airframe maintenance logbook records indicated that an annual inspection was completed about 8 months prior to the accident. The airplane had accumulated 22 flight hours since the last annual inspection. The pilot reported that during the cross-country flight, the engine began to lose power and as he attempted to regain power, he noted a decrease in fuel pressure. The engine then lost all power, and the pilot made a forced landing on a road. Postaccident examination of the airplane found that the aluminum fuel line from the fuel indicator to the carburetor had ruptured. Additionally, minor corrosion was present around the ruptured area. Based on this information, it is the likely that this corrosion ultimately resulted in the rupture of the fuel line and loss of engine power. Additionally, the airframe maintenance manual prescribed that all fuel lines should have been inspected during the airplane’s most recent annual inspection, which had occurred 8 months and 22 flight hours prior to the accident. Had the corrosion been detected, and the fuel line replaced at that time, it is likely that the loss of engine power would not have occurred. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12
NTSB Findings
Hierarchical cause / factor breakdown from the FAA bulk avdata database. Each finding tagged C (Cause) or F (Factor).
- — Aircraft-Aircraft systems-Fuel system-Fuel pressure-Failure
- — Aircraft-Fluids/misc hardware-Misc hardware-Hoses and tubes-Not serviced/maintained
Verbatim from NTSB's published report. Source file
NTSB_2022_ERA22LA146.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.
- 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.
- Embry-Riddle Scholarly Commons 2024 · Journal article (IJAAA)
Performance PRISM: A Comprehensive Framework For Performance Measurement In Aircraft Maintenance
Aircraft maintenance is governed by rigorous safety requirements and high operational complexity, demanding robust performance measurement frameworks to ensure optimal maintenance practices.
Browse the full corpus — academia portal ↗