91-08-08
final ruleMESSERSCHMITT-BOLKOW-BLOHM GMBH Models BO-209-150FV, BO-209-150RV, BO-209-160FV, BO-209-160RV, BO-209-150FF "Monsun" airplanes (all serial numbers),
Unsafe Condition: Failure of the elevator spar truss and mass balance attachment rib.
Why matched: MESSERSCHMITT-BOLKOW-BLOHM GMBH Models BO-209-150FV, BO-209-150RV, BO-209-160FV, BO-209-160RV, BO-209-150FF "Monsun" airplanes (all serial numbers),