Skyhawk 172/Cutlass 172
Flight Crew Flight Instructor
Flight Crew Last 90 Days 170; Flight Crew Total 800; Flight Crew Type 800
Aircraft Equipment Problem Critical
Flight Crew Landed in Emergency Condition
Aircraft
Had partial power engine failure on initial climb out landed safely on runway opposite direction. Valve spring was determined to be the problem. No aircraft damage besides engine.
C172 Instructor Pilot reported a safe landing at departure airport after experiencing a partial power loss shortly after takeoff.