71-16-07 MORANE SAULNIER: Amendment 39-1257. Applies to Morane Saulnier Model MS.894A airplanes.
Compliance is required within the next 50 hours' time in service after the effective date of this AD unless already accomplished.
To prevent failure of the carburetor heating system, replace the Nylstop nut that secures the carburetor heating shutter on its axle with an ELBE H.100 or Simmonds 4 PHT 280 steel nut in accordance with SOCATA-Service Bulletin No. 82-1 (GR. 75-04), dated November 1970, or an FAA-approved equivalent.
This amendment becomes effective August 4, 1971.