Mechanics at Air Plains report the absence of the filter seal assembly on many L and M model Cessna 172 Skyhawks coming in for engine upgrades. This can cause a change in designed air flow over the engine, resulting in higher CHTs, as much as 10° to 15° F.
Air Plains Services gains PMA for airbox filter seal assembly for 172s
by General Aviation News Staff | Aug 11, 2025 | #Aircraft, 20250821, Aviation News, Cessna 172, flying, General Aviation, Pilots, Products | 0 comments