Hosed

Engine began running rough in cruise, the pilot diverted and the aircraft was landed without damage. Investigation found the fuel line between the fuel flow transducer and fuel flow divider was loose at the flow divider. Although it seems unlikely, the aircraft operator has to consider the possibility that this fuel line came loose by itself in the five days and 23 hours of flying since the last scheduled inspection....

Key Takeaways:

• Aircraft hoses are susceptible to various failures including leaks, bursts, and material deterioration, affecting critical systems like fuel, oil, hydraulic, and vacuum.
• Common causes of hose failure include installation issues such as incorrect routing leading to contact with hot components, and loose connections.
• Hose failures can occur even with newly installed or low-time parts, indicating potential manufacturing defects or immediate post-installation issues.

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