Incorrect Flare

Leaking fitting.

0

This fuel line leak was noted at the exit of a fuel pump on an RV-14. It is right above the exhaust pipe! One needs to be careful when having hoses fabricated by non-aircraft supply houses that the flares and fittings are made for 37.5-degree AN-type fittings, as opposed to the standard 45-degree automotive flare. This nut was checked and was tight, so it was a mismatch in the flare or a cracked flare.

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Vic Syracuse
Vic is a fixed-wing and helicopter commercial pilot, CFII with ASMEL/ASES ratings, an A&P/IA, DAR, and EAA technical advisor and flight counselor. Passionately involved in aviation for over 40 years, he has built 11 aircraft and logged over 10,000 hours in 72 different kinds of aircraft. Vic volunteers as a Young Eagle pilot, has his own sport aviation business called Base Leg Aviation, and has written two books on aircraft prebuy and condition inspections.

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