Chafed, Cracked, Seized

A mechanic writes, "Two aileron cables, one flap cable, and the fuel line are all routed through the l/h lower aft door post area. This fuel line is protected by a plastic sleeve, but an (aileron) cable wore through the sleeve (and began cutting) into the fuel line. This line (p/n 0500106-326) is approximately 20 inches long with four bends. I suggest a one-time inspection in case other aircraft might have this problem."

Thursday, September 25, 2008 at 12:00 AM ET

Verified

Key Takeaways:

A Cessna 180J experienced a chafed fuel line due to an aileron cable wearing through its protective sleeve, suggesting a need for a one-time inspection of this routing.
Cessna T206H aircraft reported multiple failures of main landing gear castings upon landing, leading to gear leg detachment and brake issues, particularly on aircraft operating on unimproved airstrips.
ECI "E" Series cylinders on Continental IO-520 engines are frequently developing cracked heads, a recurring defect with at least 37 reports in the FAA's database.
Lycoming IO360-L2A engines exhibited seized exhaust valves in their guides, causing engine power loss and roughness, with inspections revealing widespread tightness in valves across a fleet.

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Cessna 180J

Chafed Fuel Line

A mechanic writes, “Two aileron cables, one flap cable, and the fuel line are all routed through the l/h lower aft door post area. This fuel line is protected by a plastic sleeve, but an (aileron) cable wore through the sleeve (and began cutting) into the fuel line. This line (p/n 0500106-326) is approximately 20 inches long with four bends. I suggest a one-time inspection in case other aircraft might have this problem.”

Part Total Time: 2365.0 hours.

Cessna T206H

Failed Main Gear Castings

Two of these broken components were found on different aircraft. One of them is operated on mostly unimproved airstrips in South Africa. The part is the same as