77-15-06: Engine Mounts

77-15-06 MORANE SAULNIER (SOCATA): Amendment 39-2975. Applies to Model MS 892A150, MS 892E150, MS 893A, MS 893E, RALLYE 150T and RALLYE 150ST airplanes, certificated in all categories. Compliance is required as indicated. To prevent failure of engine mounts, accomplish the following: (a) Within the next 100 hours time in service after the effective date of this AD, unless already accomplished, and thereafter at intervals not to exceed 50 hours time in service from the last inspection, visually inspect the engine mounts for cracks using dye penetrant in accordance with paragraphs 111-1-1 and 111-1-2 of SOCATA Service Bulletin No. 98/2, dated April 1976, or an FAA-approved equivalent. (b) If one or more cracks are detected as a result of any inspection required by paragraph (a) of this AD, repair as necessary in accordance with paragraph 111-1-3 of SOCATA Service Bulletin No. 98/2, dated April 1976, or an FAA-approved equivalent. (c) Within the next 100 hours time in service after the effective date of this AD, unless already accomplished, on airplanes with right angle engine mount brackets, modify the brackets in accordance with paragraph 111-2 of SOCATA Service Bulletin No. 98/2, dated April 1976, or an FAA-approved equivalent. This amendment becomes effective August 22, 1977.