AD 75-09-08

75-09-08 MOONEY: Amendment 39-2181. Applies to Mooney Models M20C, M20D, M20E, M20F, and M20G airplanes with the following serial numbers having accumulated 400 or more hours' time in service: M20C - 1852, 1940 thru 3466, 670001 thru 700091, 20-0001 thru 20-1156. M20D - 101 thru 260. M20E - 101 thru 1308, 670001 thru 700061, 21-0001 thru 21-1165. M20F - 660003 thru 700072, 22-0001 thru 22-1207. M20G - 680001 thru 700006. Compliance required within the next 50-hours' time in service after the effective date of this AD or before the accumulation of 450-hours' time in service, whichever occurs later, unless already accomplished within the last 50-hours' time in service, and thereafter at intervals not to exceed 100-hours' time in service from the last inspection. a. To detect cracked engine mount members, inspect the mount in accordance with instructions in Mooney Service Bulletin No. M20-192 dated April 7, 1975, or later FAA approved revision, or an FAA approved equivalent method. b. If cracks are detected, repair or replace in accordance with instructions in Mooney Service Bulletin No. M20-192 dated April 7, 1975, or later FAA approved revision or an equivalent method approved by the Chief, Engineering and Manufacturing Branch, FAA, Southwest Region, Fort Worth, Texas. c. The 100-hour repetitive inspection may be discontinued upon repair of a cracked or uncracked mount, or upon installation of a new mount in accordance with Mooney Service Bulletin No. M20-192 dated April 7, 1975, or later FAA approved revision or an equivalent method approved by the Chief, Engineering and Manufacturing Branch, Southwest Region, Federal Aviation Administration, Fort Worth, Texas. This amendment becomes effective April 30, 1975.