3 ADs indexed for Tarver Propellers, LLC aircraft.
UNIVAIR AIRCRAFT CORPORATION (formerly Koppers) Models F200, F200H, and 220 Propellers
Unsafe Condition: Propeller blade tipping may have loosening, loose rivets, or deteriorated wood under the tipping, or lack of a relief cut in the stainless steel tipping material within the first five and one-half ...
Why matched: UNIVAIR AIRCRAFT CORPORATION (formerly Koppers) Models F200, F200H, and 220 Propellers
DOWNER (BELLANCA and UNIVERSAL (Stinson) Model Aeromatic F200 Propellers
Unsafe Condition: Hub barrel and mounting tube weld joints and areas beneath balancing bands may have line cracks or fractures.
Why matched: DOWNER (BELLANCA and UNIVERSAL (Stinson) Model Aeromatic F200 Propellers
KOPPERS Model F200 Propellers
Unsafe Condition: Blade retaining flanges, P/N 3277, may fail due to excessive torsional vibration in the 2,700 to 2,800 r.p.m. range, leading to crankshaft or propeller failures.
Why matched: KOPPERS Model F200 Propellers